Vitamin C

PubMed ID: 10025472

C+E protected against ozone-induced acute lung-function decrements in exercising adults — antioxidant-mediated protective effect.

PubMed ID: 41521693

Topical CE‑Ferulic significantly reduced erythema and melanin indices and accelerated healing after CO2 laser — strong antioxidant/skin protection evidence (combo product).

PubMed ID: 41139389

Snake fruit jelly (vitamin C + polyphenols) increased antioxidant enzyme activity (SOD) and reduced inflammation post‑exercise in an acute trial.

PubMed ID: 40464749

Topical antioxidant (C+E+ferulic) showed histologic anti‑senescence and clinical improvement after RF; vitamin C part of effective antioxidant mix.

PubMed ID: 39337423

Nutraceutical containing vitamin C reduced lipid peroxidation (TBARS) — supports antioxidant activity though multi‑ingredient.

PubMed ID: 34866234

IV vitamin C increased SOD activity and decreased malondialdehyde and IL‑8 in TRALI, strong biomarker evidence of antioxidant effect.

PubMed ID: 34982738

IV vitamin C produced biochemical repletion though clinical outcomes were mixed; antioxidant support present.

PubMed ID: 35073968

Small pilot: IV vitamin C raised plasma levels markedly though no organ benefit demonstrated—consistent antioxidant repletion.

PubMed ID: 34818575

IV vitamin C robustly raised plasma ascorbate in septic shock but did not reduce protein‑carbonyl oxidative marker; biochemical repletion confirmed.

PubMed ID: 32931612

Supplementation lowered proinflammatory cytokines and likely reflects antioxidant-mediated immune modulation.

PubMed ID: 32191586

Oral vitamin C increased antioxidant enzyme activity and lowered MDA in an RCT—direct antioxidant support.

PubMed ID: 32247559

Reduced DNA damage and improved antioxidant markers after supplementation supports antioxidant role.

PubMed ID: 29989171

Combined antioxidant capsules (including 500 mg vitamin C) changed free‑radical signals during hypoxia—consistent with antioxidant action (combination product).

PubMed ID: 30394006

1 g/day reduced F2‑isoprostanes (oxidative stress marker) and improved metabolic/vascular markers—strong antioxidant effect in humans.

PubMed ID: 27642037

Behavioral interventions raising fruit/veg intake produced measurable increases in plasma vitamin C (biomarker of antioxidant status) in low‑consumers (RCTs).

PubMed ID: 25939797

Randomized crossover showed vitamin C reduced oxidative stress markers (MDA, 8‑OHdG) in elderly—strong antioxidant evidence.

PubMed ID: 26170625

1 g/d for 8 wk lowered hs‑CRP and IL‑6 and improved metabolic markers—supports systemic antioxidant/anti‑inflammatory effect.

PubMed ID: 24512733

High‑dose IV vitamin C rapidly reversed endotoxin‑induced endothelial dysfunction — strong antioxidant/physiologic effect in an inflammatory challenge.

PubMed ID: 24817695

Oral antioxidant supplementation including vitamin C improved NO bioavailability and endothelial measures — consistent with antioxidant benefits.

PubMed ID: 24802951

500 mg/day raised plasma/cellular vitamin C quickly — demonstrates increased systemic antioxidant availability despite no change in some cytokines.

PubMed ID: 24492839

Combined vitamins C+E reduced training‑induced increases in mitochondrial markers (demonstrates antioxidant biological activity), though with complex physiological consequences.

PubMed ID: 24092827

Ascorbic acid infusion improved endothelial function and served as an oxidative‑stress probe — mechanistic antioxidant evidence.

PubMed ID: 24228847

200 mg/day restored plasma vitamin C and reduced hs‑CRP in hemodialysis patients—antioxidant/anti‑inflammatory effect.

PubMed ID: 24067392

Both synthetic and kiwifruit vitamin C raised plasma, leukocyte and muscle ascorbate substantially.

PubMed ID: 24217301

Oral 2 g dose acutely improved radial artery vasodilation—consistent with antioxidant vascular effect.

PubMed ID: 22891214

IV vitamin C attenuated oxidative stress and inflammatory markers after hyperglycemia following hypoglycemia.

PubMed ID: 22264303

10 g IV produced very large plasma vitamin C increases and reduced oxidative stress markers.

PubMed ID: 21770863

Fortified milk with vitamin C raised fasting plasma vitamin C and antioxidant potential in smokers.

PubMed ID: 22518934

1 g/day reduced fasting/postprandial MDA in type 2 diabetes — evidence of lowering oxidative stress with oral vitamin C.

PubMed ID: 20170881

Large improvements in oxidative DNA/lipid markers and microvascular reperfusion with IV vitamin C — strong antioxidant effect.

PubMed ID: 21138361

Concord grape juice increased serum vitamin C and improved some cellular antioxidant outcomes, though effect is from combined constituents.

PubMed ID: 20629665

IV ascorbate prevented rises in oxidative-stress markers during stenting — strong direct antioxidant support evidence.

PubMed ID: 20926027

Perioperative high-dose vitamin C reduced malondialdehyde and troponin I — antioxidant/organ-protection signal.

PubMed ID: 20499024

Oral supplementation (500 mg) markedly raised plasma vitamin C — direct evidence of increased antioxidant capacity potential.

PubMed ID: 19674132

H. pylori trial measured total antioxidant capacity and used vitamin C in combination with improved eradication — supports antioxidant role (combined therapy).

PubMed ID: 20533214

Clear RCT evidence of increased serum vitamin C and decreased lipid peroxidation (MDA) — strong support for antioxidant augmentation.

PubMed ID: 19692922

Combination antioxidant trial in burned children lowered malondialdehyde and increased antioxidant vitamins; vitamin C was a component.

PubMed ID: 18455517

RCT with 1000 mg/day vitamin C produced substantial reductions in F2‑isoprostanes and increased plasma ascorbate.

PubMed ID: 19003734

Five‑year higher‑dose vitamin C reduced serum ROS compared with low dose in atrophic gastritis patients.

PubMed ID: 18952164

1000 mg/day raised plasma vitamin C by ~49% and reduced CRP in participants with elevated baseline CRP.

PubMed ID: 18064446

Peri‑ESWL antioxidant cocktail that raised serum ascorbate lowered MDA and markers of tubular injury (short‑term antioxidant protection).

PubMed ID: 17526461

Randomized study: 500 mg oral vitamin C raised plasma antioxidant capacity by ~25–36% within hours and over 1 week (direct biomarker evidence).

PubMed ID: 17386345

Vitamins C+E reduced oxidative stress markers and improved vascular antioxidant status in hypertensive men (combination therapy).

PubMed ID: 18271282

Vitamin C reduced induced DNA breaks in blood cells of COPD patients — demonstrates antioxidant cell protection.

PubMed ID: 16298763

Oral vitamin C improved FMD in smokers and, with flavonoid, reduced protein oxidation — supporting antioxidant vascular effects.

PubMed ID: 15681169

IV vitamin C restored plasma ascorbate overnight in most ICU patients — strong direct increase in antioxidant status.

PubMed ID: 15867002

1 g/day vitamin C (with vitamin E) significantly reduced sperm oxidative DNA damage, consistent with increased antioxidant protection.

PubMed ID: 16091766

Clear increases in plasma ascorbate and TAOC and reductions in oxidative markers provide strong evidence of increased systemic antioxidant support.

PubMed ID: 16133138

Supplementation increased plasma ascorbate and lowered MDA, demonstrating improved antioxidant status in patients.

PubMed ID: 15569517

Lower vitamin C levels in poisoned patients were associated with higher lipid peroxidation, indicating the antioxidant role of ascorbate.

PubMed ID: 15916166

High-dose vitamin C (with E) produced large reductions in LDL oxidative susceptibility—strong antioxidant biomarker effect.

PubMed ID: 15380894

Slow-release formulation produced smaller plasma fluctuations (pharmacokinetic antioxidant advantage).

PubMed ID: 15127090

500 mg/day in smokers increased plasma ascorbate substantially, demonstrating biochemical antioxidant support.

PubMed ID: 12514674

IV vitamin C decreased TBARS — evidence of acute antioxidant action.

PubMed ID: 12881011

Oral vitamin C reduced F2‑isoprostanes — clear increase in systemic antioxidant effect.

PubMed ID: 12591053

C+E supplementation significantly reduced multiple oxidative‑stress indices in Crohn's patients.

PubMed ID: 12411535

IV C+E prevented halothane-induced depression of hypoxic ventilatory drive — physiologic protection via antioxidants.

PubMed ID: 12074599

250 mg/day normalized monocyte adhesion in low‑C subjects — marker of reduced oxidative vascular inflammation.

PubMed ID: 12204869

Daily C (250 mg) + E attenuated pollution-related decrements in small-airway function — effective antioxidant protection in vivo.

PubMed ID: 11923038

C+E prevented postprandial inflammatory/oxidative activation after high‑fat meals.

PubMed ID: 12454520

Early antioxidant therapy (C+E) lowered organ‑failure rates and ICU time — systemic antioxidant benefit in critical care.

PubMed ID: 12197998

Robust randomized evidence of reduced urinary lipid peroxidation and increased serum antioxidant capacity with 500 mg/day.

PubMed ID: 41692856

High‑dose peri‑transplant vitamin C reliably restored plasma ascorbate levels in allo‑HSCT patients — direct evidence of antioxidant repletion.

PubMed ID: 8942423

Combined C+E markedly increased plasma antioxidants and decreased lipid peroxides — strong antioxidant evidence.

PubMed ID: 8568117

Improved oxidative markers alongside lipid/insulin changes in elderly diabetics — systemic antioxidant effect.

PubMed ID: 8320055

Trial: 1 g/day substantially raised plasma ascorbate and increased TRAP (plasma antioxidant potential) — direct evidence of increased antioxidant support.

PubMed ID: 38542673

Perioperative high‑dose IV vitamin C reduced CRP and complications, consistent with strong antioxidant/anti‑inflammatory effects in that setting.

PubMed ID: 27566671

Dialysis with ultrafiltrate reinfusion preserved vitamin C and improved oxidative‑stress markers—direct evidence that vitamin C contributes to antioxidant status.

PubMed ID: 16775552

Vitamin C+E supplementation raised plasma vitamin levels and was assessed for oxidative biomarkers—supports antioxidant role.

PubMed ID: 7498103

Fortified juice raised plasma vitamin C and improved nutritional biomarkers in elderly women.

PubMed ID: 23625906

Short course antioxidant mix (including vitamin C) lowered chromosomal damage markers in exposed workers.

PubMed ID: 23065023

Multi‑antioxidant regimen including vitamin C produced long‑term reductions in adenoma recurrence — sustained antioxidant intervention.

PubMed ID: 8467105

Supplementation increased plasma ascorbic acid in a large cohort—demonstrates increased antioxidant status with intake.

PubMed ID: 39519608

Vitamin C alone markedly reduced oxidative markers and raised total antioxidant capacity in postmenopausal women (trial data).

PubMed ID: 17602170

Intervention (juice containing ascorbic acid) increased plasma ascorbic acid and TEAC and reduced oxidative DNA damage.

PubMed ID: 23659494

Vitamins C+E lowered oxidative stress markers and improved membrane fatty‑acid profile (combination evidence of antioxidant action).

PubMed ID: 21185507

Vitamin C coinfusion restored endothelial responses suppressed by GTN — experimental antioxidant probe supporting acute antioxidant action.

PubMed ID: 14514574

High‑dose vitamin C improved vascular reactivity and changed coagulation markers; consistent with antioxidant‑mediated vascular effects.

PubMed ID: 10600424

Oral vitamin C supplementation reliably raised serum ascorbic acid concentrations — pharmacokinetic support for increased antioxidant availability.

PubMed ID: 29089038

IV NAC+vitamin C reduced 8‑isoprostane at 2 and 24 h in critically ill patients — biochemical antioxidant effect observed.

PubMed ID: 20426279

Antioxidant mix increased SOD and reduced TBARS in pancreatitis — biochemical antioxidant improvements (vit C included).

PubMed ID: 32823974

MVM increased plasma vitamin C by +126% and decreased reported illness burden — demonstrates improved antioxidant status in humans (randomized RCT, multi‑nutrient).

PubMed ID: 31747355

Bioequivalence crossover trial showed oral vitamin C (gummy vs caplet) achieves comparable plasma and leukocyte exposure — supports reliable antioxidant delivery from oral dosing.

PubMed ID: 37174730

Vitamin C arm showed large increases in total antioxidant capacity and large decreases in lipid peroxidation in ICU septic patients.

PubMed ID: 33213070

Antioxidant regimen including vitamin C restored serum antioxidant levels and decreased inflammation/NO markers in septic shock.

PubMed ID: 25277459

Dentifrice with vitamin C derivative increased salivary total antioxidant activity and improved gingival markers.

PubMed ID: 36308079

Perioperative IV vitamin C markedly blunted ROS surge and favorably affected red‑cell signaling — strong antioxidant effect.

PubMed ID: 25246239

Antioxidant supplementation including vitamin C raised plasma vitamin C and vitamin E and reduced lipid peroxides — combined antioxidant support.

PubMed ID: 40187667

Oral vitamin C reduced inflammatory signals and gut LPS in responders, consistent with antioxidant/anti‑inflammatory action.

PubMed ID: 17999638

Combined vitamins C+E increased antioxidant capacity and enzymes versus placebo.

PubMed ID: 15253739

IV vitamin C significantly lowered intracellular ROS and DNA oxidation markers in a randomized trial—direct antioxidant support evidence.

PubMed ID: 40859523

Vits C+E reduced oxidative stress markers (lower MDA, improved GSH/GSSG) in older women undergoing resistance training.

PubMed ID: 32682929

Targeted 1 g/day lowered urinary F2‑isoprostanes in vitamin C–deficient participants—strong targeted antioxidant benefit.

PubMed ID: 29571976

Vitamin C (±E) in T2DM improved metabolic markers and is consistent with antioxidant effects reported in trial.

PubMed ID: 28074795

Perioperative vitamin C increased total antioxidant capacity vs control in CABG patients.

PubMed ID: 27117852

Vitamin C arm increased plasma GSH in COPD trial—antioxidant biomarker improvement.

PubMed ID: 26999688

1 g/day vitamin C in GDM produced large reductions in placental MDA and improved GSH (robust antioxidant effect).

PubMed ID: 26789096

Pre‑exercise vitamin C reduced exercise‑induced MDA acutely (antioxidant effect).

PubMed ID: 24326981

Year‑long antioxidants (C+E) decreased MDA and increased TAC and glutathione in older adults.

PubMed ID: 22494786

C+E supplementation decreased MDA and increased GPx/GR — clear antioxidant biomarker improvements.

PubMed ID: 21204889

During chemotherapy vitamins C+E restored antioxidant enzyme activities and lowered oxidative markers — strong antioxidant support in a clinical setting.

PubMed ID: 21480966

Vegetarian calorie‑restricted diet raised plasma vitamin C ~16% and improved metabolic markers — increased systemic vitamin C as part of broader antioxidant status improvement.

PubMed ID: 20617290

High‑dose vitamin C+E produced pronounced reductions in lipoperoxides and increased antioxidant parameters — strong antioxidant support.

PubMed ID: 19857542

Two‑year antioxidant beverage including vitamin C prevented exercise‑induced oxidative changes and preserved plasma vitamin C — long‑term antioxidant preservation in older adults.

PubMed ID: 18077012

1 g/day vitamin C in elderly diabetics increased cellular glutathione and plasma vitamin C — robust intracellular antioxidant increase.

PubMed ID: 18059586

1 g vitamin C + vitamin E increased plasma vitamin C + attenuated multiple oxidative stress markers — strong evidence of increased antioxidant status.

PubMed ID: 15972322

Oral vitamin C restored plasma levels in dialysis patients though oxidative/inflammatory markers did not change — increases systemic ascorbate (antioxidant pool).

PubMed ID: 15693087

Vitamins C+E increased plasma ascorbic acid/alpha‑tocopherol and lowered MDA in SLE patients — biochemical antioxidant improvement.

PubMed ID: 16368447

15‑day combined antioxidant therapy including vitamin C reduced postprandial oxidative stress markers.

PubMed ID: 15498043

C+E prevented ozone‑induced nasal IL‑6 and showed antioxidant action in airways of asthmatic children.

PubMed ID: 12805250

Randomized enriched drink significantly raised plasma vitamin C and TEAC in frail elderly—strong direct evidence.

PubMed ID: 14637276

Supplementation including vitamin C increased plasma antioxidant status and decreased MDA in RA patients — clear antioxidant biomarker effects.

PubMed ID: 10967604

Well‑controlled crossover showed reciprocal increases in plasma vitamin C and E and improved ferric‑reducing antioxidant power.

PubMed ID: 10385496

Oral ascorbic acid raised plasma vitamin C substantially and improved FMD—demonstrates systemic antioxidant availability and vascular benefit.

PubMed ID: 21890323

Perioperative antioxidant drink increased plasma vitamin C and TEAC after pancreatic surgery.

PubMed ID: 30799392

Revised parenteral nutrition restored plasma vitamin C to normal after surgery, directly improving antioxidant substrate availability.

PubMed ID: 23695657

Multinutrient antioxidant-containing supplementation produced measurable tissue-level improvements in AMD, consistent with antioxidant effects.

PubMed ID: 22561296

Improved antioxidant enzyme activity and reduced oxidative markers in older patients receiving n‑3 + vitamins C/E — supports antioxidant function.

PubMed ID: 21138533

Strong reductions in lipid peroxidation and protein carbonylation and improved GSH/GSSG observed with n‑3 + vitamins C/E — robust evidence of increased antioxidant support (multi-component).

PubMed ID: 21112644

In dogs, diets with vitamins E and C increased neutrophil bactericidal activity and altered gene expression — indicates functional antioxidant/immune effects (animal study).

PubMed ID: 16850002

Antioxidant‑containing enteral formula including vitamin C improved survival and ICU outcomes in sepsis — consistent with antioxidant support (multi‑nutrient).

PubMed ID: 12847992

500 mg/day vitamin C RCT decreased malondialdehyde (oxidative lipid marker) and increased blood vitamin C — strong direct antioxidant evidence.

PubMed ID: 34578925

DASH diet increased vitamin C intake and reduced MCP‑1 with correlation to vitamin C change — suggests improved systemic inflammatory/oxidative status within diet context.

PubMed ID: 20160653

High‑dose vitamin C+E lowered markers of lipid peroxidation in hypertensive subjects — clear antioxidant biomarker effect (combined vitamins).

PubMed ID: 40906605

TPN kit with 200 mg vitamin C/day restored plasma vitamin C into normal range faster than lower‑ascorbate mix — supports improved antioxidant status.

PubMed ID: 22172428

Dietary kiwifruit increased plasma vitamin C and reduced lipid peroxidation—demonstrates increased antioxidant status from a vitamin C‑rich source.

PubMed ID: 16517955

Antioxidant supplementation (vit C+E) markedly raised plasma antioxidant capacity and lowered oxidative markers—direct evidence of increased antioxidant support.

PubMed ID: 21813916

Combined flavonoid+vitamin C supplementation attenuated rise in oxidative stress marker F2‑isoprostanes after exercise.

PubMed ID: 31476161

Multi‑antioxidant supplement including vitamin C improved cognition and presumably antioxidant capacity; effect cannot be ascribed to vitamin C alone.

PubMed ID: 22578980

Dietary intervention increased antioxidant capacity (FRAP) and reduced oxidized glutathione while increasing vitamin C intake — population-level antioxidant support.

PubMed ID: 21669016

Oral antioxidant regimen including vitamin C lowered tissue and serum MDA in nasal polyp patients — supports systemic/tissue antioxidant activity.

PubMed ID: 16496307

IV ascorbic acid decreased MDA and blunted meal-induced portal-pressure related oxidative responses — clear antioxidant effect.

PubMed ID: 16395251

IV vitamin C strongly reduced dialysis-triggered ROS, PCOOH and RBC oxidative damage — robust antioxidant support evidence.

PubMed ID: 11291971

1 g vitamin C lowered TBARS by ~20% in CHD patients — measurable antioxidant effect.

PubMed ID: 8607400

High-dose C+E reduced leukocyte OFR and prevented SAECG deterioration post-MI — strong antioxidant effects in a randomized setting.

PubMed ID: 9110940

C+E reduced neutrophil radical production and lipid peroxidation post-MI — clear antioxidant outcomes.

PubMed ID: 23916928

Perioperative antioxidant supplementation including vitamin C elevated atrial antioxidant enzymes (catalase, SOD, GPx) and reduced AF incidence.

PubMed ID: 23565660

Combined antioxidant therapy including vitamin C improved oxidative markers (MDA, GSH) in thalassemia patients.

PubMed ID: 10400458

Intraoperative antioxidant infusion reduced lipid peroxidation (MDA‑TBARS) during liver reperfusion.

PubMed ID: 19476631

Dietary antioxidant program raised plasma/leukocyte ascorbate and antioxidant enzymes and lowered oxidative stress markers markedly.

PubMed ID: 18803940

1 g/day limited rises in LDL oxidation markers in hemodialysis patients over one year—supportive of antioxidant protection in a high‑oxidative stress setting.

PubMed ID: 12622238

Multi‑ingredient vitamin product (vitamin C prominent) raised antioxidant markers (vitamin E, Q10) and altered water‑soluble antioxidant potential.

PubMed ID: 9022536

Two months of antioxidant supplements (including vitamin C) raised plasma antioxidant levels in smokers.

PubMed ID: 19660910

Chlorella increased plasma vitamin C and antioxidant enzyme activities in smokers (multi‑nutrient product but raised vitamin C).

PubMed ID: 23446899

Marked dose‑responsive increases in plasma, leukocyte and muscle ascorbate indicate substantial augmentation of tissue antioxidant capacity.

PubMed ID: 22634906

IV vitamin C decreased CRP and inflammatory markers in dialysis patients, consistent with antioxidant/anti-inflammatory action.

PubMed ID: 24742818

Blackcurrant juice (vitamin C+polyphenols) increased antioxidant markers and reduced oxidative stress; vitamin C rose markedly.

PubMed ID: 20528796

Mandarin-juice RCT produced large increases in plasma vitamin C and decreases in multiple oxidative-stress markers.

PubMed ID: 9459371

500 mg/day vitamin C increased plasma ascorbate and reduced LDL oxidation susceptibility in vitro.

PubMed ID: 11302008

Daily 500 mg ascorbic acid reliably increased plasma ascorbate and improved some LDL antioxidant indices.

PubMed ID: 26996228

Free fruits/vegetables increased vitamin C biomarkers in overweight adults — clear evidence that intake raises vitamin C status (antioxidant nutrient).

PubMed ID: 22831286

Six-week fruit/vegetable purée increased dietary and plasma vitamin C and other antioxidants.

PubMed ID: 22229802

Dietary intervention increased measured blood vitamin C (~+20%) with favorable oxidative biomarker changes.

PubMed ID: 21736780

Multinutrient antioxidant supplementation reduced MDA and improved antioxidant capacity in young and elderly.

PubMed ID: 21222131

Adding modest-dose vitamin C (with other antioxidants) reduced exercise-related lipid peroxidation in athletes.

PubMed ID: 22159782

Strong randomized evidence: substantial plasma ascorbate increases and reduced apoptosis across age groups with antioxidant supplementation.

PubMed ID: 22129855

10-week food supplement produced ~28% increase in vitamin C in adolescent girls.

PubMed ID: 22122960

Two-day 500 mg dosing raised plasma vitamin C ~60%—clear acute increase in antioxidant status.

PubMed ID: 20464539

Perioperative vitamin C+E preserved antioxidant enzymes and plasma vitamin levels vs control.

PubMed ID: 20666654

Vitamins C+E lowered lipid peroxidation and raised plasma antioxidant levels in fibromyalgia patients.

PubMed ID: 20200432

Pilot RCT in adenoma patients: multi‑antioxidant mix (includes vit C) significantly reduced TNF‑alpha and other oxidative/inflammatory biomarkers.

PubMed ID: 19154960

8‑week RCT of combined antioxidants (incl. vit C) reduced oxidative stress markers and improved insulin‑resistance markers in overweight adults.

PubMed ID: 18646528

Randomized elderly trial: antioxidant vitamin regimen including 300 mg vit C improved erythrocyte resistance to oxidative hemolysis and membrane function — strong antioxidant biomarker effect.

PubMed ID: 17914127

Two‑year antioxidant supplementation increased some blood antioxidant levels and lowered platelet activation marker.

PubMed ID: 16988134

Fruit/veg concentrate increased plasma vitamin C and ORAC by ~50%—clear antioxidant support.

PubMed ID: 17189550

Antioxidant supplementation lowered exercise-induced oxidative markers and improved related inflammatory/lipid responses.

PubMed ID: 15941534

Multimicronutrient RCT (incl. vitamin C) significantly raised plasma vitamin C and antioxidant enzyme activity.

PubMed ID: 15190044

Fruit/vegetable concentrate supplementation raised blood vitamin C and other antioxidants in healthy adults—clear increase in antioxidant biomarkers.

PubMed ID: 15548759

Modest antioxidant supplementation including vitamin C raised FRAP and reduced MDA and micronucleus frequency—strong biomarker support for antioxidant activity.

PubMed ID: 15255454

Six months of a multivitamin containing vitamin C maintained/raised blood antioxidant vitamin levels in older women—direct biomarker evidence.

PubMed ID: 14559932

Multinutrient raised plasma vitamin C and improved LDL oxidation/homocysteine.

PubMed ID: 12840177

Fruit/veg concentrate increased plasma ascorbic acid (~+16.6%).

PubMed ID: 12805247

Five years of daily vitamin C raised serum vitamin C substantially in a dose‑dependent manner (strong biomarker effect).

PubMed ID: 11718454

Large randomized trial showed clear increases in plasma vitamin C and other antioxidant vitamins after daily supplementation.

PubMed ID: 11153621

Enteral antioxidant feeding improved LDL resistance and plasma antioxidant concentrations in ICU patients.

PubMed ID: 10648268

Repleted ascorbate in smokers and improved tocopherol measures — clear restoration of antioxidant status.

PubMed ID: 10835489

Demonstrated almost doubling of serum ascorbate with 1000 mg/day — strong evidence of increased antioxidant capacity potential.

PubMed ID: 10442154

Prevented rise in plasma lipid hydroperoxides during altitude training — evidence of antioxidant effect in training stress.

PubMed ID: 10407503

Oral antioxidant regimen (including ascorbate) markedly increased LDL oxidation lag time — strong biomarker of antioxidant support.

PubMed ID: 11864448

Demonstrated protection against induced oxidative DNA damage with high‑dose antioxidant supplementation including C.

PubMed ID: 10541446

Large prevention trial achieved improved nutrient/antioxidant status including vitamin C—demonstrates increased antioxidant support at population level (combined formula).

PubMed ID: 9895420

Vegetarians showed higher plasma vitamin C and better plasma/LDL antioxidant markers—observational evidence of higher antioxidant status.

PubMed ID: 9764785

Combined vitamins E+C significantly reduced multiple oxidative stress markers in HIV+ patients—clear antioxidant effect (combined).

PubMed ID: 9627910

Daily multivitamin/mineral including 120 mg vitamin C increased serum vitamin C and some antioxidant enzyme activity—direct evidence of increased antioxidant support.

PubMed ID: 9655734

Daily antioxidant supplement including high-dose vitamin C prevented ozone-induced lung function declines—evidence of antioxidant-mediated protection in an exposure setting.

PubMed ID: 9433680

Vitamin supplementation raised plasma vitamin C and altered antioxidant/immune markers in elderly—clear increase in vitamin C status.

PubMed ID: 9370141

Supplementation (including vitamin C) before transplant increased antioxidant levels and attenuated lipid peroxidation—strong biochemical antioxidant effect.

PubMed ID: 9409230

Mixed-antioxidant supplement increased serum vitamin E and reduced LDL oxidative susceptibility—evidence of antioxidant activity (vitamin C included).

PubMed ID: 9247510

High‑dose antioxidant interventions (including vitamin C) produced very large, dose‑responsive increases in LDL oxidation lag time and raised plasma vitamin C — strong evidence of increased antioxidant support.

PubMed ID: 9263186

Two‑year supplementation including 120 mg/day vitamin C normalized serum levels and improved RBC antioxidant resistance (p=0.002) — robust long‑term antioxidant correction.

PubMed ID: 8862480

6‑month supplementation including vitamin C raised serum vitamin C and antioxidant enzyme activities in elderly — improved systemic antioxidant markers.

PubMed ID: 7797808

Antioxidant‑rich diet including vitamin C raised plasma ascorbate and reduced plasma lipid peroxide after MI — dietary antioxidant improvement.

PubMed ID: 8001520

400 mg vitamin C (with other antioxidants) markedly increased plasma ascorbate (+45%) and significantly increased lag time to LDL oxidation — direct antioxidant support evidence.

PubMed ID: 8379508

Six months of antioxidant vitamins (including 900 mg vitamin C) raised plasma ascorbate and prolonged LDL oxidation lag time — clear antioxidant support.

PubMed ID: 1826987

Multi‑antioxidant supplement including vitamin C reduced serum lipid peroxides and platelet activation markers — robust antioxidant biomarker changes.

PubMed ID: 8607399

Antioxidant cocktail including vitamin C reduced lipid peroxides post‑AMI—clinical antioxidant effect observed.

PubMed ID: 17645881

Local vitamin C prevented reperfusion oxidative endothelial impairment — strong mechanistic antioxidant effect in humans.

PubMed ID: 34699040

Addition of vitamin C with ALA reduced oxidative-stress markers in acute poisoning more than standard care (clear antioxidant biomarker change, combined therapy).

PubMed ID: 22431837

Duplicate entry: antioxidant combo reduced CSF oxidative stress (see above).

PubMed ID: 15047680

Vitamin C (515 mg/day) reduced CRP in smokers — indicates reduced inflammatory/oxidative burden.

PubMed ID: 11815395

Isolated vitamin C (500 mg/day) reduced a validated oxidative-stress biomarker — strong direct evidence of antioxidant support.

PubMed ID: 38608046

IV vitamin C produced biologic antioxidant effects and altered related enzyme markers in septic patients (strong mechanistic signal in clinical setting).

PubMed ID: 23821397

Acute high‑dose vitamin C improved endothelial dysfunction linked to oxidative stress—supports antioxidant action in humans (physiologic RCT data).

PubMed ID: 22237557

Dietary intervention increased vitamin C intake and raised plasma total antioxidant capacity (direct evidence of increased systemic antioxidant support).

PubMed ID: 10613415

Controlled repletion study shows how intake translates to plasma ascorbate—relevant to antioxidant status and dosing.

PubMed ID: 18065204

Standard PN increased plasma vitamin C levels; direct evidence of increasing antioxidant substrate in patients.

PubMed ID: 33105552

Glutathione‑precursor supplementation increased endogenous vitamin C and GSH—supports antioxidant status indirectly.

PubMed ID: 24353344

Clear increases in plasma ascorbic acid and reductions in oxidative stress markers after antioxidant supplementation including vitamin C.

PubMed ID: 20518086

Viusid markedly reduced lipid‑peroxidation markers versus placebo (contains vitamin C among other agents).

PubMed ID: 18469252

Dietary strategy increased plasma ascorbate and lowered CRP and liver enzymes over 2 weeks.

PubMed ID: 16459223

Vitamins C+E maintained mononuclear cell EPA and raised plasma ascorbate—biochemical antioxidant benefit.

PubMed ID: 16245220

Vitamin E+C reduced ALT in fatty liver disease and raised antioxidant status versus comparator.

PubMed ID: 20518086

Viusid reduced lipid‑peroxidation markers (MDA/4‑HNE) compared with placebo; vitamin C included in formulation.

PubMed ID: 41521693

Topical C+E+ferulic markedly reduced erythema and melanin index and accelerated healing after ablative laser, consistent with antioxidant cell protection (combination evidence).

PubMed ID: 39337423

Multi‑ingredient nutraceutical (includes vitamin C) reduced lipid peroxidation (TBARS) — indicates antioxidant/cell protection effect though not isolated to vitamin C.

PubMed ID: 34866234

IV vitamin C reduced oxidative stress markers (malondialdehyde) and pro‑inflammatory cytokines in TRALI, indicating cellular protection from oxidative damage.

PubMed ID: 34621519

Ascorbic acid co‑administration with vancomycin reduced creatinine rise and CrCl decline, implying organ/cell protection from drug‑related injury.

PubMed ID: 34122682

Vitamin C+E lowered MDA/ROS and reduced pain in endometriosis—antioxidant-driven tissue protection and symptom improvement.

PubMed ID: 33094466

High-dose IV vitamin C improved organ-failure scores and mortality in sepsis—consistent with protection against organ-level oxidative/inflammatory damage.

PubMed ID: 32191586

Lower MDA and increased antioxidant enzymes after supplementation indicate reduced oxidative cell injury.

PubMed ID: 32247559

Decreases in comet-assay DNA damage after vitamin C supplementation indicate direct cellular protection from oxidative damage.

PubMed ID: 25939797

Vitamin C reduced oxidative stress markers (MDA, 8‑OHdG) in elderly—direct evidence of cellular protection.

PubMed ID: 26170625

Lowered IL‑6/CRP and fasting glucose—reduced inflammatory/ metabolic stress that can protect cells.

PubMed ID: 24512733

High‑dose IV vitamin C reversed endotoxin‑induced endothelial dysfunction (oxidative‑stress mediated) — strong evidence of antioxidant/cell‑protective action in acute inflammation.

PubMed ID: 24228847

Oral vitamin C reduced hs‑CRP in dialysis patients and restored deficient plasma levels—anti‑inflammatory/protective.

PubMed ID: 23931876

Peri‑procedural ascorbate reduced overall renal worsening after angiography—organ‑level protection signal.

PubMed ID: 24094827

IV vitamin C partly prevented thrombosis and oxidative stress increases after hyperglycemia—cell/protein protection evidence.

PubMed ID: 22728166

Vitamins C+E reduced peritoneal inflammatory markers in endometriosis, consistent with reduced local oxidative/inflammatory cell damage.

PubMed ID: 22891214

IV vitamin C markedly attenuated hyperglycemia‑induced oxidative stress and endothelial damage markers — strong mechanistic evidence.

PubMed ID: 22264303

High‑dose IV vitamin C reduced oxidative stress (FORT) in office workers, indicating cellular oxidative protection.

PubMed ID: 22518934

Oral 1 g/day reduced fasting and postprandial MDA (lipid-oxidation marker) in type 2 diabetes — direct oxidative-stress reduction.

PubMed ID: 20170881

Significant decreases in oxidative DNA (8‑OHdG) and lipid (8‑iso‑PGF2α) markers with vitamin C during PCI — clear cell-protective signal.

PubMed ID: 20629665

IV vitamin C prevented procedure-related rises in oxidative stress markers and CD40L — strong direct cellular-protection evidence.

PubMed ID: 20926027

Perioperative high-dose vitamin C lowered malondialdehyde and troponin I — indicates reduced oxidative/ischemic injury.

PubMed ID: 20533214

RCT in dialysis patients showed increased vitamin C and reduced lipid peroxidation (MDA), indicating cellular oxidative protection.

PubMed ID: 19692922

Burned children receiving antioxidant mix including vitamin C showed lower malondialdehyde (lipid peroxidation), indicating reduced oxidative cell damage.

PubMed ID: 18455517

Randomized trial showed significant reductions in validated oxidative stress biomarkers (F2‑isoprostanes) with 1000 mg/day vitamin C.

PubMed ID: 17526461

500 mg oral vitamin C substantially increased plasma antioxidant capacity (biomarker consistent with cell protection).

PubMed ID: 18271282

In COPD patients vitamin C markedly reduced H2O2‑induced DNA breaks in blood cells (clear molecular protection signal).

PubMed ID: 15681169

IV vitamin C rapidly restored plasma levels in surgical ICU patients, reversing deficiency that contributes to oxidative cellular damage.

PubMed ID: 15867002

Combined vitamins C+E produced a large reduction in sperm DNA fragmentation, indicating protection of cellular DNA from oxidative damage.

PubMed ID: 16091766

Supplementation after stroke increased plasma ascorbate and TAOC and reduced lipid peroxidation (MDA) and CRP, directly demonstrating cellular antioxidant protection.

PubMed ID: 16133138

Adjunctive vitamin C reduced serum malondialdehyde (MDA) and increased plasma ascorbate, indicating reduced oxidative stress in patients.

PubMed ID: 15569517

Observational data show lower plasma vitamin C and higher lipid peroxidation in poisoned patients, linking ascorbate deficiency to oxidative cellular damage.

PubMed ID: 15916166

High-dose C+E markedly reduced LDL oxidation susceptibility, a marker of oxidative cellular damage relevant to atherosclerosis.

PubMed ID: 12514674

IV vitamin C lowered TBARS (oxidative stress marker) in heart‑failure patients — direct antioxidant/cell‑protection biomarker change.

PubMed ID: 12881011

Daily vitamin C reduced plasma free F2‑isoprostanes (~11%) in passive smokers — strong evidence of reduced oxidative cell damage.

PubMed ID: 12591053

C+E reduced breath/ plasma oxidative‑stress markers in Crohn's patients — decreased oxidative cellular damage markers.

PubMed ID: 12417278

Vitamin C abolished exercise-induced increases in oxidative/inflammatory markers in claudicants.

PubMed ID: 11923038

C+E prevented meal-induced rises in inflammatory cytokines/adhesion molecules — reduced acute cellular inflammatory stress.

PubMed ID: 12454520

Early antioxidant therapy reduced organ-failure events — implies cellular protection in critical illness.

PubMed ID: 12197998

Reduced urinary 8‑iso‑PGF2α and increased serum ORAC indicate in vivo reduction of oxidative damage.

PubMed ID: 8942423

Combined C+E reduced plasma lipid peroxides and altered PBMC cytokine responses — direct antioxidant/cell‑protective markers.

PubMed ID: 8320055

1 g/day supplementation raised plasma ascorbate ~82% and increased plasma antioxidant capacity (TRAP) — direct biochemical evidence for cellular antioxidant protection.

PubMed ID: 38542673

High‑dose IV vitamin C perioperatively reduced inflammation (CRP) and pulmonary complications—strong clinical evidence of tissue protection in that context.

PubMed ID: 27566671

Dialysis technique that preserved vitamin C improved oxidative‑stress markers (AOPP, TAS), indicating reduced oxidative cell damage.

PubMed ID: 8449125

Antioxidant vitamin mixture (incl. C) greatly reduced adenoma recurrence—consistent with cellular protection against oxidative damage though multi‑nutrient.

PubMed ID: 1738173

Vitamins A,C,E reduced abnormal rectal cell proliferation biomarkers—biomarker evidence of reduced cellular proliferation/damage risk.

PubMed ID: 23625906

Antioxidant mixture including vitamin C reduced chromosomal aberrations and normalized SCEs in solvent‑exposed workers.

PubMed ID: 39519608

Vitamin C (alone) reduced MDA, protein carbonylation and increased total antioxidant capacity—direct markers of cellular oxidative protection.

PubMed ID: 17602170

Intervention raised plasma ascorbic acid/TEAC and provided ~20% protection against H2O2‑provoked oxidative DNA damage.

PubMed ID: 16825703

Red grape juice intervention raised antioxidant capacity and lowered oxidized LDL; ascorbic acid was measured though not the active tested.

PubMed ID: 23659494

Vitamins C+E lowered oxidative stress markers and improved erythrocyte membrane composition—evidence of reduced cellular oxidative damage.

PubMed ID: 38413986

Prenatal vitamin C produced reproducible epigenetic differences and lasting lung benefits in offspring — supports a protective molecular/physiologic effect.

PubMed ID: 29089038

IV NAC+vitamin C lowered 8‑isoprostane and attenuated cystatin‑C rise in critically ill patients — evidence of reduced oxidative stress and some organ‑injury biomarker attenuation.

PubMed ID: 20426279

Antioxidant mix including vitamin C in acute pancreatitis reduced TBARS and increased SOD, indicating decreased oxidative damage (small trial, multi‑agent).

PubMed ID: 32823974

MVM (with vitamin C) raised plasma vitamin C by +126% and reduced illness days — supports enhanced antioxidant capacity and functional protection (multi‑nutrient RCT).

PubMed ID: 37174730

Antioxidant therapy (vitamin C arm) produced large reductions in lipid peroxidation and improved total antioxidant capacity in septic patients.

PubMed ID: 33213070

Antioxidant supplementation including vitamin C reduced inflammation and markers of oxidative stress and improved organ dysfunction in septic shock.

PubMed ID: 36308079

Perioperative IV vitamin C blunted plasma ROS surge and modulated erythrocyte signaling — robust reduction in oxidative cellular damage markers.

PubMed ID: 25246239

Antioxidant regimen including vitamin C decreased lipid peroxides and increased plasma antioxidant levels with functional muscle improvements — cell protection plausible (combined supplement).

PubMed ID: 17999638

C+E improved multiple antioxidant markers versus placebo—supports cellular antioxidant defense (combination product).

PubMed ID: 15253739

Randomized, placebo‑controlled IV vitamin C reduced lymphocyte 8‑OHdG and intracellular ROS and upregulated DNA repair gene—strong evidence of cellular protection in this population.

PubMed ID: 40859523

Vits C+E with resistance training reduced MDA and improved GSH/GSSG ratio in older women — supports antioxidant cellular protection (multi‑nutrient).

PubMed ID: 38068931

Vitamin C arm in septic shock reduced IL‑6 and improved SOFA score — suggests reduced cellular/organ injury in critical illness.

PubMed ID: 32682929

Targeted supplementation in deficient individuals reduced F2‑isoprostanes (oxidative damage) — strong evidence for cell protection in deficiency.

PubMed ID: 26999688

1 g/day vitamin C in GDM markedly reduced placental MDA and improved GSH — direct cellular oxidative stress reduction.

PubMed ID: 24326981

One‑year supplementation reduced MDA and increased total antioxidant capacity and glutathione in older adults—good evidence of cellular protection.

PubMed ID: 22494786

Vitamins C+E lowered MDA and improved antioxidant enzyme activities in OC users—strong biomarker evidence for cellular antioxidant protection.

PubMed ID: 21204889

During chemotherapy vitamins C+E restored antioxidant enzyme activities and reduced MDA and DNA damage markers versus chemo alone — direct protection of cells from oxidative injury.

PubMed ID: 20617290

Higher‑dose vitamin C+E markedly lowered lipoperoxides (−44%) — meaningful reduction in oxidative damage markers.

PubMed ID: 19857542

Multicomponent antioxidant beverage (including vitamin C) prevented exercise‑induced rises in oxidative markers in older adults — supports reduced cellular oxidative stress.

PubMed ID: 18077012

1 g/day in elderly diabetics raised cellular glutathione and plasma vitamin C — increased intracellular antioxidant defenses supporting cell protection.

PubMed ID: 18059586

1 g vitamin C + vitamin E raised plasma vitamin C and attenuated multiple exercise‑induced oxidative stress markers (GSH/GSSG, protein carbonyls) — clear cell‑protective biochemical effects.

PubMed ID: 16368447

Short combined antioxidant therapy reduced postprandial oxidative stress markers and improved endothelial biomarkers.

PubMed ID: 12805250

Enriched drink increased plasma vitamin C and total antioxidant capacity in frail elderly—direct biochemical evidence for cell‑protective antioxidant support.

PubMed ID: 14637276

Antioxidant supplementation including vitamin C raised antioxidant levels and lowered lipid-peroxidation (MDA) in RA patients — direct biomarker evidence of cellular protection.

PubMed ID: 10967604

Reciprocal increases in plasma vitamin C and vitamin E and improvements in antioxidant power demonstrate enhanced cellular antioxidant capacity.

PubMed ID: 21890323

Perioperative antioxidant drink (multi‑component incl. vitamin C) raised plasma ascorbate and TEAC shortly after surgery—supports acute antioxidant protection.

PubMed ID: 30799392

Restoration of plasma vitamin C in postoperative patients suggests improved antioxidant capacity and potential cellular protection during recovery.

PubMed ID: 23695657

Antioxidant-containing multinutrient supplementation increased macular pigment density and produced modest vision improvements — tissue-protective effects consistent with antioxidant protection.

PubMed ID: 22561296

Improved antioxidant enzyme activity and lower oxidative markers with combined supplementation implies cellular protection from oxidative damage.

PubMed ID: 21138533

Clear perioperative reductions in lipid peroxidation/protein carbonylation and improved GSH/GSSG ratio with n-3 + vitamins C/E — strong signal for cell protection (but multi-component).

PubMed ID: 16850002

Antioxidant‑enriched enteral nutrition including vitamin C produced large clinical benefits in severe sepsis — consistent with a role in protecting cells from oxidative/inflammatory damage (multi‑nutrient).

PubMed ID: 12847992

500 mg/day vitamin C reduced malondialdehyde (lipid oxidation marker) in hyperlipidemic patients — direct RCT evidence of reduced oxidative damage.

PubMed ID: 34578925

DASH intervention increased vitamin C intake and lowered MCP‑1 (inflammation) with strong inverse correlation between MCP‑1 change and vitamin C — supports reduced inflammatory/oxidative cell damage (associational within diet).

PubMed ID: 22172428

Kiwifruit increased plasma vitamin C and decreased lipid peroxidation in older adults—evidence of reduced oxidative damage in vivo.

PubMed ID: 16517955

Randomized antioxidant treatment (vit C+E) rapidly increased total antioxidant capacity and lowered lipid peroxidation (MDA) and CRP—strong biomarker evidence for cellular protection from oxidative damage.

PubMed ID: 21813916

Flavonoid + vitamin C supplementation attenuated post‑exercise F2‑isoprostane rise, indicating reduced lipid oxidation (cellular oxidative protection).

PubMed ID: 21669016

Oral antioxidants including vitamin C reduced tissue and serum MDA in nasal polyp patients — biochemical evidence of reduced oxidative damage.

PubMed ID: 16496307

IV ascorbic acid lowered malondialdehyde and blunted postprandial portal-pressure rise in cirrhosis — clear reduction in oxidative stress markers.

PubMed ID: 16395251

IV vitamin C markedly attenuated dialysis-induced blood ROS, lipid peroxidation and RBC oxidative damage — strong evidence of cellular protection.

PubMed ID: 11291971

1 g vitamin C lowered TBARS (lipid peroxidation) in coronary patients — marker of reduced cellular oxidative damage.

PubMed ID: 8607400

C+E lowered leukocyte free‑radical production and prevented adverse electrophysiologic changes after MI — clear cellular protection signals.

PubMed ID: 9110940

Vitamins C and E reduced neutrophil OFR production and stabilized lipid peroxides in MI patients — reduced oxidative cell injury (combined therapy).

PubMed ID: 23565660

Combined antioxidants including vitamin C improved oxidative balance in β‑thalassemia patients and reduced liver iron—supports cellular oxidative protection.

PubMed ID: 10400458

Intraoperative ascorbate+tocopherol reduced reperfusion lipid peroxidation (MDA‑TBARS) and was associated with fewer complications, indicating tissue protection.

PubMed ID: 24365194

IV vit C reduced myocardial injury biomarkers peri‑PCI (cell protection).

PubMed ID: 7771834

Perioperative antioxidant regimen (vit C included) decreased ischemic events and infarction markers.

PubMed ID: 19476631

High‑antioxidant diet including vitamin C raised antioxidant enzymes and lowered MDA and lipid hydroperoxides—strong biomarker evidence for cellular protection.

PubMed ID: 18803940

Supplementation attenuated increases in LDL oxidation markers over one year in dialysis patients—evidence of reduced oxidative damage to lipids.

PubMed ID: 19660910

Chlorella (containing vitamin C) raised antioxidant enzymes and was associated with reduced lymphocyte DNA oxidative damage in smokers.

PubMed ID: 22634906

IV vitamin C reduced CRP and inflammation markers in dialysis patients, indicating reduced oxidative/inflammatory stress on cells.

PubMed ID: 24742818

High-blackcurrant (vitamin C+polyphenols) intake reduced F2-isoprostanes and increased plasma vitamin C—supports cellular protection from oxidative damage.

PubMed ID: 20528796

Mandarin-juice intervention halved several oxidative-stress markers and doubled plasma vitamin C—robust evidence for reduced oxidative damage.

PubMed ID: 9459371

500 mg/day vitamin C markedly raised plasma levels and reduced LDL oxidation susceptibility (biomarker of oxidative damage).

PubMed ID: 11302008

500 mg/day ascorbic acid increased serum ascorbate and improved some LDL antioxidant markers—direct antioxidative biomarker evidence.

PubMed ID: 21736780

Multinutrient antioxidants reduced plasma MDA and improved membrane fluidity—evidence of reduced oxidative cellular damage.

PubMed ID: 22159782

Large randomized trial: antioxidant regimen including vitamin C markedly increased plasma ascorbate and decreased lymphocyte apoptosis (intrinsic & UV-induced).

PubMed ID: 20464539

Perioperative vitamin C+E reduced lipid peroxidation and preserved antioxidant enzyme activity—biochemical cell protection.

PubMed ID: 20666654

Vitamins C+E reduced lipid peroxidation and raised glutathione in fibromyalgia patients—direct antioxidant/cell-protective biochemical effects.

PubMed ID: 20200432

Multi‑antioxidant mix (incl. vit C) lowered TNF‑alpha and oxidant biomarkers in colorectal adenoma patients — evidence of reduced cellular/inflammatory stress.

PubMed ID: 18646528

Elderly randomized supplementation (vit C included) decreased H2O2‑induced hemolysis and improved membrane function — direct cellular protection markers.

PubMed ID: 16988134

Fruit/veg concentrate increased ORAC, plasma C and reduced lymphocyte DNA damage—strong cellular protection signal.

PubMed ID: 15941534

Randomized children trial: multivitamin (incl. 300 mg vitamin C) raised plasma C and reduced oxidized DNA damage—direct cell protection evidence.

PubMed ID: 15548759

Modest antioxidant supplementation (including vitamin C) improved FRAP and reduced MDA and chromosomal damage markers—direct evidence for cell protection from oxidative damage.

PubMed ID: 11153621

Antioxidant‑enriched enteral feeding improved LDL resistance to oxidation and plasma antioxidant levels in ICU patients — lab evidence of protection.

PubMed ID: 10648268

Supplementation repleted ascorbate in smokers and improved tocopherol measures — evidence for restoring antioxidant status.

PubMed ID: 10442154

Antioxidant (incl. 500 mg C) prevented training‑associated rise in plasma lipid hydroperoxides — evidence of reduced oxidative damage.

PubMed ID: 10407503

Antioxidant groups (incl. oral ascorbic acid) increased LDL resistance to oxidation substantially — strong biomarker evidence for antioxidant cellular/lipoprotein protection.

PubMed ID: 11864448

High‑dose antioxidant regimen including C reduced induced oxidative DNA damage in lymphocytes — strong mechanistic evidence of cellular protection (C part of mix).

PubMed ID: 9764785

Vitamin E+C lowered several oxidative stress markers in HIV+ patients—reduced oxidative biomarkers indicate cellular protective effect (combined treatment).

PubMed ID: 9433680

Supplement raised plasma vitamin C and altered immune marker; biochemical evidence of increased antioxidant status and possible cellular protection.

PubMed ID: 9370141

Pre-conditioning antioxidant regimen attenuated treatment-induced lipid peroxidation—clear reduction in oxidative damage markers.

PubMed ID: 9409230

Mixed-antioxidant supplement (includes vitamin C) reduced LDL oxidation parameters—evidence of reduced oxidative modification of lipids (cellular protection relevance).

PubMed ID: 9247510

High‑dose antioxidant combinations including vitamin C produced large increases in LDL oxidation lag time — strong evidence of cellular/molecular protection from oxidative damage.

PubMed ID: 8001520

400 mg vitamin C (with other antioxidants) increased plasma ascorbate and increased resistance of LDL to oxidation — robust biochemical cell‑protection evidence (multi‑nutrient context).

PubMed ID: 8607399

Combined antioxidant therapy including vitamin C reduced lipid peroxides and infarct estimates in AMI patients—supports oxidative‑damage protection.

PubMed ID: 17645881

Prevention of ischemia‑reperfusion endothelial impairment by local vitamin C indicates protection of vascular endothelial cells from oxidative damage.

PubMed ID: 31088176

Vitamin C–rich placebo reduced leukocyte DNA strand breaks acutely and after 8 weeks (human trial where vitamin C likely contributed to DNA protection).

PubMed ID: 22431837

Antioxidant combination including vitamin C lowered a CSF oxidative stress marker — indicates cellular oxidative protection (combination effect).

PubMed ID: 11815395

500 mg/day vitamin C reduced plasma F2-isoprostanes (lipid peroxidation) in heavier smokers — direct marker of cell oxidative damage.

PubMed ID: 38608046

High‑dose IV vitamin C produced measurable changes in oxidative/catecholamine pathways in sepsis consistent with antioxidant/cellular protective effects.

PubMed ID: 23821397

Vitamin C acutely reversed oxidative‑stress–mediated endothelial dysfunction (physiologic evidence of cellular protection from oxidative damage).

PubMed ID: 22237557

Dietary changes that increased vitamin C raised plasma antioxidant capacity (TAC), indicating enhanced systemic antioxidant protection (indirect).

PubMed ID: 7782137

Antioxidant infusion (ascorbate+mannitol) associated with fewer MI complications, consistent with reduced oxidative injury (combined therapy).

PubMed ID: 18065204

PN increased plasma vitamin C and (with glutamine) GSH in a subgroup—supports antioxidant and cellular redox improvement.

PubMed ID: 33105552

Glutathione precursors increased plasma vitamin C and erythrocyte GSH—indirect evidence of enhanced cellular antioxidant defenses.

PubMed ID: 24353344

Supplementation increased plasma ascorbate and reduced 8‑iso‑PGF2α (oxidative stress marker) — strong biochemical evidence of cellular protection.

PubMed ID: 16459223

Vitamins C+E prevented decline in mononuclear EPA during antiviral therapy—evidence of protection of cell lipid composition.

PubMed ID: 18469252

High‑antioxidant diet increased plasma ascorbate and lowered CRP and some liver enzymes—supportive of reduced cellular oxidative/inflammatory damage.

PubMed ID: 23916928

Perioperative supplementation including vitamin C markedly reduced post‑op atrial fibrillation and improved atrial antioxidant enzymes, implying vascular/cardiac protection.

PubMed ID: 24365194

Pre‑PCI IV vit C reduced periprocedural myocardial injury (vascular/cardiac protection).

PubMed ID: 12078386

IV vitamin C transiently reduced collagen‑induced platelet aggregation (acute vascular/hemostasis effect).

PubMed ID: 24742818

Randomized trial showed a vitamin C– and polyphenol-rich drink increased plasma vitamin C and produced a significant FMD improvement—direct vascular benefit.

PubMed ID: 28526377

Orange juice in a calorie-restricted diet improved lipids and hs-CRP and increased plasma vitamin C—supports vascular risk-factor improvement.

PubMed ID: 9459371

Reduced LDL oxidation susceptibility after 500 mg/day vitamin C suggests improved atheroprotective biochemical milieu.

PubMed ID: 22831286

Fruit/veg purée raised vitamin C and trended to improved endothelium-dependent vasodilation.

PubMed ID: 22229802

Diet change increased plasma vitamin C (~+20%) and lowered ox-LDL and LDL/total cholesterol — direct vascular biomarker improvements.

PubMed ID: 17914127

Two‑year antioxidant supplementation (incl. vitamin C) lowered a urine marker of platelet activation—suggestive vascular benefit.

PubMed ID: 14559932

Multivitamin (including vitamin C) reduced LDL oxidation and homocysteine—markers relevant to vascular health.

PubMed ID: 12076551

Dietary intervention raising vitamin C modestly lowered systolic blood pressure (implies vascular benefit).

PubMed ID: 30394006

1 g/day for 4 months lowered systolic/diastolic blood pressure and reduced oxidative stress in T2D—direct vascular benefits.

PubMed ID: 31366980

IV ascorbic acid after angioplasty dose‑dependently reduced late luminal loss and trended to less restenosis—strong vascular structural benefit.

PubMed ID: 33094466

Sepsis trial showed improved organ failure scores—systemic vascular/organ benefits in critical illness.

PubMed ID: 34448547

IV vitamin C markedly reduced post‑polypectomy bleeding rates, consistent with improved local haemostatic/vascular outcomes.

PubMed ID: 36297099

IV vitamin C in sepsis‑related ARDS reduced cfDNA and syndecan‑1 (glycocalyx injury) and improved oxygenation—strong vascular biomarker/functional signal.

PubMed ID: 36360723

2 g oral vitamin C acutely reversed noise‑induced endothelial dysfunction (FMD) in women—direct vascular function improvement.

PubMed ID: 34597384

Acute IV vitamin C improved flow‑mediated dilation in a subgroup (older men with low testosterone), indicating endothelial benefit.

PubMed ID: 38781013

In CKD patients, acute high‑dose IV ascorbic acid transiently improved FMD (endothelial dilation), indicating oxidative stress contribution to dysfunction.

PubMed ID: 33183558

Nitrate supplement containing vitamin C improved endothelial function and blood pressure in hypertensive individuals (nitrate likely main driver; vitamin C present).

PubMed ID: 18499730

Acute and 3-month oral 500 mg/day vitamin C markedly increased endothelial t‑PA release (fibrinolytic capacity) in overweight/obese adults — important endothelial function endpoint.

PubMed ID: 16496307

IV ascorbic acid reduced meal-induced portal pressure rise and oxidative markers in cirrhosis — acute improvement in vascular/hepatic endothelial function.

PubMed ID: 16109326

Local intra-arterial vitamin C acutely improved impaired endothelium-dependent vasodilation in hypertensive subjects — strong direct vascular evidence.

PubMed ID: 31719005

High‑dose IV vitamin C around CABG improved left ventricular EF and shortened ICU stay—benefits to cardiac function/vascular outcomes.

PubMed ID: 18469252

High‑antioxidant diet raising vitamin C intake lowered CRP and liver enzymes—markers relevant to vascular health.

PubMed ID: 8192275

Modest ApoB reductions with 2 g/day could favor vascular health; short-term and sex-dependent results limit strength.

PubMed ID: 7782137

High‑dose IV ascorbate (with mannitol) during MI associated with fewer complications—supports vascular benefit though combined therapy.

PubMed ID: 15719745

Adding vitamin C to nitrate therapy reduced nitrate tolerance and improved endothelial function markers — clinically relevant vascular effect.

PubMed ID: 19515732

Mediterranean diet increased vitamin C intake and improved FMD and lowered BP — vitamin C may have contributed but change was from comprehensive dietary pattern.

PubMed ID: 23821397

Acute oral 2 g vitamin C improved flow‑mediated dilation after noise exposure (RCT/subgroup physiological data showing endothelial benefit via antioxidant mechanism).

PubMed ID: 22353612

Antioxidant cocktail containing vitamin C acutely restored flow-mediated dilation in older adults (direct vascular outcome; multinutrient).

PubMed ID: 24324045

Acute antioxidant drink including vitamin C improved FMD and reduced PWV in COPD patients, with plasma vitamin C rising (multinutrient intervention).

PubMed ID: 16140428

500 mg/day vitamin C modestly improved brachial FMD in CAD patients — clinical endothelial benefit.

PubMed ID: 17645881

Intra‑arterial vitamin C fully prevented post‑ischemia endothelial dysfunction — strong, specific vascular protection evidence.

PubMed ID: 22450428

Ascorbic acid infusion potentiated endothelial (NO‑mediated) vasodilation at baseline; study used vitamin C as oxidative‑stress probe but supports vascular antioxidant action.

PubMed ID: 36501014

l‑arginine + vitamin C improved flow‑mediated dilation in long COVID patients—direct improvement in endothelial function (combination therapy).

PubMed ID: 36982151

l‑arginine + vitamin C raised arginine availability and improved NO‑related markers, supporting mechanisms for improved vascular function.

PubMed ID: 17023203

Chronic high‑dose ascorbic acid improved endothelial function (pulse wave velocity/reactive hyperemia) in heart‑failure patients — direct vascular benefit.

PubMed ID: 9176034

8‑week antioxidant supplement (including 500 mg vitamin C) lowered systolic BP in a crossover trial — direct vascular benefit signal (though multi‑agent).

PubMed ID: 9247510

High‑dose antioxidant combinations including vitamin C markedly increased LDL oxidation lag time — improved lipoprotein stability relevant to vascular health.

PubMed ID: 9409230

Antioxidant mix (includes vitamin C) made LDL less prone to oxidative damage—directly relevant to vascular health and atherosclerotic risk mechanisms.

PubMed ID: 23348071

Higher fruit/vitamin‑C intake associated with much lower incident diabetic retinopathy (microvascular outcome) over 8 years — observational vascular benefit.

PubMed ID: 24102972

Rises in plasma vitamin C associated with small improvements in modelled 10‑yr CVD risk in new diabetics — associative support for vascular health.

PubMed ID: 30709714

In hypertensive African Americans, lower dietary vitamin C intake was associated with ~3.4‑fold higher odds of albuminuria — suggests association between low vitamin C and vascular/kidney damage.

PubMed ID: 12847992

500 mg/day vitamin C reduced total cholesterol and apo‑B and decreased lipid oxidation marker — plausible arterial/vascular risk improvement (RCT, moderate sample).

PubMed ID: 21138533

Perioperative reduction in oxidative stress, inflammation and NF-κB activation in atrial tissue (combo supplement) indicates vascular/tissue protective effects plausibly relevant to vessels.

PubMed ID: 22561296

n-3 + vitamins C/E improved antioxidant enzyme activity and was associated with reduced postoperative atrial fibrillation in older patients — implies vascular/cardiac benefit.

PubMed ID: 10385496

Oral vitamin C (2 g single dose and long‑term) produced rapid and sustained improvements in flow‑mediated dilation in CAD patients—direct vascular benefit.

PubMed ID: 28074795

Perioperative vitamin C increased total antioxidant capacity and was associated with better postoperative LVEF after CABG (vascular/ cardiac benefit).

PubMed ID: 35689890

2000 mg/day vitamin C for 1 week in polluted environment reduced CRP/IL‑6 and modestly lowered systolic BP — supports vascular benefit in that specific context.

PubMed ID: 17999638

Randomized C+E reduced ambulatory systolic/diastolic BP and improved antioxidant markers—direct vascular benefit (but combination product).

PubMed ID: 36308079

Perioperative IV vitamin C attenuated ROS surge and increased eNOS phosphorylation — direct endothelial signaling benefits.

PubMed ID: 15492300

Randomized trial: oral ascorbic acid reduced contrast‑induced nephropathy incidence in high‑risk patients, indicating vascular/renal protection.

PubMed ID: 9581727

High‑dose oral vitamin C prevented development of nitrate tolerance (preserved forearm blood flow and platelet cGMP) — direct functional vascular benefit.

PubMed ID: 14514574

Four weeks of high‑dose vitamin C improved reactive hyperemia and reduced vWF/tPA in diabetics with coronary disease — meaningful improvements in vascular reactivity and hemostatic markers.

PubMed ID: 21185507

Vitamin C coinfusion restored acetylcholine‑induced forearm blood flow suppressed by sustained GTN — experimental restoration of endothelial function.

PubMed ID: 23659494

Vitamins C+E reduced oxidative stress, improved erythrocyte membrane fatty‑acid profile and Na/K‑ATPase activity and lowered blood pressure (hypertensive men).

PubMed ID: 28003574

High‑dose IV+oral ascorbate markedly reduced contrast‑induced nephropathy — vascular/kidney protection.

PubMed ID: 8568117

Improved LDL and oxidative markers in elderly diabetics support vascular risk reduction.

PubMed ID: 8960592

Oral 500 mg/day associated with fewer post‑angioplasty restenoses, a clinically relevant vascular outcome in a preliminary study.

PubMed ID: 11123502

Combined vitamin C+E slowed carotid IMT progression in men over 3 years — clinically meaningful vascular outcome.

PubMed ID: 10779091

500 mg/day modestly lowered daytime systolic BP and raised HDL in older women — favorable vascular risk changes.

PubMed ID: 10757273

200 mg/day vitamin C for 3 months improved lipid profile in hemodialysis patients — beneficial for vascular risk.

PubMed ID: 11326145

High‑dose IV vitamin C rapidly reversed cold‑pressor induced coronary endothelial dysfunction in smokers—strong, direct vascular effect.

PubMed ID: 12115017

Small trial found short‑term reductions in systolic and diastolic blood pressure with vitamin C—favorable vascular parameter changes.

PubMed ID: 11943259

Vitamin C+E slowed early transplant coronary intimal thickening — meaningful vascular surrogate outcome (combined therapy).

PubMed ID: 12468561

Oral vitamin C reduced systolic/diastolic BP and improved arterial stiffness in T2D — strong vascular benefit.

PubMed ID: 11923038

C+E given before high‑fat meals prevented postprandial endothelial activation and inflammatory marker rises.

PubMed ID: 12417278

Vitamin C prevented exercise‑related endothelial dysfunction and oxidative/inflammatory rises in claudication patients.

PubMed ID: 12074599

250 mg/day normalized monocyte adhesion in low‑vitamin‑C subjects — reduced a vascular inflammatory mechanism.

PubMed ID: 12841306

Vitamin C (±E) improved lipid profile (lower LDL, higher HDL) — favorable for vascular health.

PubMed ID: 12600905

Long trial showing slowed carotid IMT progression with vitamin E + slow‑release vitamin C — direct vascular structural outcome.

PubMed ID: 12871555

1 g/day vitamin C during acute MI reduced procoagulant microparticles — improved vascular/hemostatic milieu, especially in high‑risk subgroups.

PubMed ID: 14612206

High‑dose C+E improved endothelial function and lowered inflammation in smokers; vitamin C alone was ineffective in that trial.

PubMed ID: 12783111

Combined C+E improved reactive hyperemia and reduced prothrombotic markers in smokers — meaningful endothelial/vascular function improvements.

PubMed ID: 12957426

Oral vitamin C produced sustained improvements in myocardial blood‑flow responses in smokers and hypertensives — robust vascular functional benefit.

PubMed ID: 12881209

6‑month vitamins C+E improved endothelium‑dependent vasodilation in type 1 diabetics — supports vascular function (combination therapy).

PubMed ID: 12579102

Single 2 g oral vitamin C caused substantial acute radial artery dilation within 2 hours — strong acute vasodilatory effect.

PubMed ID: 12549975

IV vitamin C temporarily improved baroreceptor sensitivity in heart‑failure patients (acute autonomic/vascular effect) but chronic oral dosing did not.

PubMed ID: 15047650

Coronary plaque progression was modified by vitamin C+E depending on haptoglobin genotype—meaningful vascular impact in subgroups.

PubMed ID: 15916166

Large reductions in LDL oxidative susceptibility (C+E) are mechanistically linked to vascular health.

PubMed ID: 15321699

Intravenous vitamin C improved microvascular blood flow and acetylcholine responses in CAD patients with high CRP—strong vascular effect in inflamed subgroup.

PubMed ID: 15187819

Oral ascorbic acid increased the duration of reactive hyperaemia in hypercholesterolemic patients, indicating improved endothelial function.

PubMed ID: 16298763

Oral vitamin C improved flow-mediated dilation (FMD) in smokers in a randomized study, directly supporting endothelial/vascular benefit.

PubMed ID: 17386345

Crossover trial in hypertensive men: vitamins C (1 g) + E improved flow‑mediated dilation and reduced arterial stiffness — strong vascular function findings (combination therapy).

PubMed ID: 17948074

Perioperative vitamin C greatly reduced postoperative atrial fibrillation after CABG — substantial cardiovascular benefit.

PubMed ID: 17324239

Mechanistic human trial showed high‑dose vitamin C abolished nitroglycerin's endothelial preconditioning protection — clear vascular interaction (adverse in that context).

PubMed ID: 18472409

Dietary intervention that increased vitamin C intake was associated with slightly lower carotid IMT progression over 3 years in elderly men.

PubMed ID: 20533214

Increased serum vitamin C and reductions in MDA plus improved cholesterol/LDL measures in dialysis patients suggest vascular benefit potential.

PubMed ID: 20629665

IV ascorbic acid during stenting prevented procedure-related oxidative-stress rise and lowered CD40L — direct vascular protection evidence.

PubMed ID: 20170881

IV vitamin C improved microvascular reperfusion (TIMI grade 3 increased by ~40%) and reduced oxidative markers — strong vascular-support evidence.

PubMed ID: 19996728

Oral ascorbic acid reduced contrast-induced AKI in a subgroup — suggests vascular/renal endothelial protection.

PubMed ID: 22176653

High‑dose vitamin C normalized endothelial function in Fontan patients with baseline impairment (subgroup effect).

PubMed ID: 22053074

Acute IV vitamin C improved endothelium‑dependent vasodilation that had been impaired by drugs in healthy volunteers.

PubMed ID: 22891214

IV vitamin C acutely attenuated hyperglycemia‑related endothelial dysfunction and oxidative stress in a crossover trial.

PubMed ID: 24217301

Oral 2 g vitamin C acutely improved radial artery endothelium‑dependent vasodilation pre‑CABG.

PubMed ID: 24293167

Perioperative oral vitamin C dramatically reduced postoperative atrial fibrillation—clinically meaningful cardiovascular outcome.

PubMed ID: 24094827

IV vitamin C partly prevented hyperglycemia‑after‑hypoglycemia worsening of thrombosis/oxidative markers linked to vascular risk.

PubMed ID: 24092827

Acute ascorbic acid infusion improved endothelial function (FMD) in postmenopausal women — direct physiologic evidence linking vitamin C to vascular function.

PubMed ID: 24817695

Oral supplementation (including 1 g vitamin C) improved NO bioavailability, flow‑mediated dilation and lowered pulmonary pressure in ART‑conceived children — clinical vascular improvements.

PubMed ID: 24512733

High‑dose IV vitamin C restored endotoxin‑impaired acetylcholine‑mediated forearm blood flow back to baseline — robust reversal of endothelial dysfunction.

PubMed ID: 26170625

1 g/d for 8 wk decreased hs‑CRP and IL‑6 in obese adults with DM/HTN—reduced inflammation that benefits vascular health.

PubMed ID: 27164919

Polyphenol‑rich diet (with increased vitamin C) improved microvascular endothelial response in hypertensives—vitamin C rise plausibly contributed (multi‑component trial).

PubMed ID: 28807030

In T2D patients, 500 mg/day improved albuminuria (marker of vascular/renal health) and glycemic control—relevant to vascular health (randomized trial).

PubMed ID: 11962062

AREDS antioxidant (incl. vitamin C) reduced progression to advanced AMD, an age-related outcome.

PubMed ID: 17119469

Large antioxidant trial (incl. vitamin C) reported lower overall cancer in men, a disease-risk reduction relevant to aging.

PubMed ID: 17118191

Micronutrient supplement (including vitamin C) raised plasma C and improved DTH in older adults, supporting age-related immune function.

PubMed ID: 18646528

Elderly cohort had improved erythrocyte resistance and membrane function with antioxidants including vit C — suggests cellular aging benefit.

PubMed ID: 9459371

Supplementation markedly raised plasma ascorbate and reduced LDL susceptibility to oxidation, a biomarker linked to aging processes.

PubMed ID: 20528796

Mandarin-juice intervention greatly increased plasma vitamin C and lowered multiple oxidative-stress markers relevant to aging.

PubMed ID: 28526377

In obese adults, orange juice raised vitamin C and improved metabolic/inflammatory markers that can influence age-related health.

PubMed ID: 24742818

RCT showed improved endothelial function (FMD) and large plasma vitamin C increases—plausible mechanism to support vascular aspects of healthy aging.

PubMed ID: 33094466

IV vitamin C reduced organ failure/mortality in sepsis—large clinical effect on acute physiology relevant to resilience with aging.

PubMed ID: 25939797

Elderly RCT: 4 wk vitamin C reduced oxidative stress and blunted pollutant‑associated insulin resistance—mechanisms linked to aging.

PubMed ID: 22518934

Reduced oxidative-stress markers in type 2 diabetes — supports a plausible aging-related antioxidant mechanism.

PubMed ID: 20170881

Improved microvascular reperfusion and lowered oxidative DNA/lipid markers — relevant to vascular aging.

PubMed ID: 20629665

IV ascorbate reduced oxidative markers during stenting, suggesting systemic protection relevant to aging.

PubMed ID: 18472409

Dietary program raising vitamin C intake associated with slightly less carotid IMT progression in elderly men.

PubMed ID: 18455517

Large RCT showing reduced oxidative stress biomarkers and higher plasma vitamin C, plausible mechanism for healthy aging.

PubMed ID: 12600905

6‑year trial (C+E) modestly slowed carotid IMT progression — direct marker of vascular aging.

PubMed ID: 12197998

Randomized trial showed reduced urinary lipid-peroxidation marker and increased serum antioxidant capacity—mechanistically supportive of slowing oxidative aspects of aging.

PubMed ID: 11012475

500 mg/day after H. pylori cure increased regression of intestinal metaplasia — a histologic benefit tied to long-term gastric health.

PubMed ID: 8568117

Improved LDL, insulin, triglycerides and oxidative markers in older diabetics — metabolic/oxidative benefits relevant to aging.

PubMed ID: 23065023

Long-term antioxidant mix (including vitamin C) reduced colorectal adenoma recurrence — plausible aging-related cancer risk reduction.

PubMed ID: 39519608

Vitamin C reduced multiple oxidative‑damage markers and increased antioxidant capacity—mechanistic relevance to aging.

PubMed ID: 23659494

Vitamins C+E lowered oxidative stress and improved BP/membrane markers in hypertensive men (combination product).

PubMed ID: 36308079

Perioperative IV vitamin C attenuated ROS surge and improved eNOS signaling — systemic protection relevant to aging.

PubMed ID: 40187667

Oral vitamin C improved cognition/BDNF and reduced inflammation — supports mental aspects of healthy aging.

PubMed ID: 15253739

Reduced lymphocyte DNA oxidation and ROS in dialysis patients—mechanistic anti‑aging relevance (moderate evidence).

PubMed ID: 40859523

Vits C+E with resistance training in sarcopenic older women improved muscle mass/strength — relevant to healthy aging (multi‑nutrient trial).

PubMed ID: 20617290

Randomized higher-dose vitamin C+E markedly lowered oxidative markers and modestly preserved hip BMD over 12 months — plausible aging benefit (bone-sparing).

PubMed ID: 10385496

Oral vitamin C improved endothelial function in CAD patients, a mechanism relevant to healthy vascular aging.

PubMed ID: 24102972

In newly diagnosed diabetes, small increases in plasma vitamin C associated with modest improvements in cardiometabolic risk at 1 year — plausible contributor to healthier aging (associational).

PubMed ID: 16517955

Antioxidant supplement (vit C+E) raised total antioxidant capacity and lowered oxidative/inflammatory markers—mechanistic support for healthy aging (biomarker evidence).

PubMed ID: 16395251

IV vitamin C reduced dialysis-related oxidative stress — plausible contributor to healthier aging via lower oxidative damage.

PubMed ID: 8607400

High-dose C+E lowered leukocyte OFR and prevented adverse electrophysiologic changes after MI — antioxidant/ protective effects relevant to aging.

PubMed ID: 9701620

Observational association: higher dietary vitamin C linked to modestly greater hip BMD, suggesting a skeletal aging benefit but causality not established.

PubMed ID: 18469252

High‑antioxidant diet raised vitamin C intake and lowered CRP and some liver enzymes—supports systemic anti‑aging mechanisms.

PubMed ID: 24353344

Antioxidant supplementation raised plasma ascorbic acid and reduced oxidative stress and ALT in children—biomarkers consistent with slower age‑related oxidative damage.

PubMed ID: 16115341

SU.VI.MAX multinutrient trial (includes 120 mg vitamin C) reduced cancer incidence in men — consistent with a healthy‑aging effect though multinutrient and sex‑specific.

PubMed ID: 22710913

Case–control: higher serum vitamin C associated with markedly lower odds of mild dementia (observational evidence linking vitamin C status to age-related cognitive outcomes).

PubMed ID: 32858063

Large AREDS/AREDS2 cohort: higher dietary vitamin C associated with lower progression to late AMD, an age‑related outcome (observational evidence).

PubMed ID: 11815395

500 mg/day vitamin C reduced oxidative stress marker in smokers — plausible aging-relevant antioxidant effect.

PubMed ID: 8363468

Large RCT showed lower nuclear cataract prevalence with long‑term multivitamins (includes vitamin C) — plausible aging benefit though not ascorbate‑specific.

PubMed ID: 7503047

Observational link: higher dietary vitamin C index associated with lower all-cause and cause-specific mortality (supports population-level aging outcomes).

PubMed ID: 11594942

AREDS trial (500 mg C) showed clinically meaningful reduction in progression to advanced AMD in older adults — direct aging-related benefit.

PubMed ID: 9433680

Vitamin-containing supplement raised plasma vitamin C and increased IL-1 production in institutionalized elderly—an immune marker change suggesting some immunomodulation.

PubMed ID: 25780881

High‑dose IV vitamin C in donors lowered IL‑6 expression/levels—clear immunomodulatory signal in humans.

PubMed ID: 17118191

Micronutrient supplementation (incl. vitamin C) increased plasma vitamin C and enhanced delayed‑type hypersensitivity in older adults.

PubMed ID: 16988134

Fruit/veg concentrate increased gammadelta‑T cells and plasma vitamin C, suggesting immune enhancement.

PubMed ID: 18279551

In a large trial dietary vitamin C was associated with markedly lower TB risk (observational within trial) — supports immune‑related epidemiologic association.

PubMed ID: 22159782

Antioxidant supplementation (includes vitamin C) raised plasma ascorbate and reduced intrinsic and UV-induced lymphocyte apoptosis—supports immune cell survival.

PubMed ID: 12201356

Winter supplementation with vitamin C reduced number of colds, total sick days, and severe symptom duration—direct evidence of improved anti-infective outcomes.

PubMed ID: 34975830

Enteral vitamin C in critically ill COVID patients associated with increased survival days — suggests immune/clinical benefit though trial had limitations.

PubMed ID: 39408325

Calcium ascorbate 500 mg altered plasma/leukocyte vitamin C and increased neutrophil phagocytosis and NK‑cell markers in a randomized crossover (direct immune biomarker effects).

PubMed ID: 38401077

Adjunctive vitamin C in sepsis reduced inflammatory markers, cardiac injury markers and was associated with lower morbidity/mortality—clinical immune/inflammatory benefit.

PubMed ID: 9169739

Ascorbic-acid‑containing vaccine buffer improved vibriocidal antibody titers vs saline — indicates a potential adjuvant/immune-supportive role.

PubMed ID: 22172428

Gold kiwifruit (rich in vitamin C) raised plasma vitamin C and reduced duration/severity of some cold (URTI) symptoms in older adults—clinical evidence of immune/upper‑respiratory benefit.

PubMed ID: 16850002

Enteral formula with antioxidants (including vitamin C) reduced mortality and improved outcomes in ventilated sepsis patients — suggests immune/clinical benefit in critical illness though nutrients combined.

PubMed ID: 19154523

Children with moderate asthma improved symptoms and airway inflammation with supplementation phases that included vitamin C (combined with omega‑3 and zinc) — immune/inflammatory modulation observed.

PubMed ID: 21112644

In beagles, diets enriched with vitamins E and C increased neutrophil bactericidal activity and altered relevant gene expression — animal evidence of immune enhancement.

PubMed ID: 22184801

16-week micronutrient regimen including vitamin C modestly reduced common cold symptom scores and raised serum vitamin C — supports immune benefit for respiratory infections in recurrent sufferers.

PubMed ID: 15498043

Vitamins C+E prevented ozone‑induced nasal IL‑6 increase in asthmatic children—evidence of anti‑inflammatory/immune modulation.

PubMed ID: 38068931

In septic shock patients, vitamin C arm reduced SOFA score and IL‑6 — clinical immune/organ dysfunction benefit in severe infection (antioxidant/anti‑inflammatory effects).

PubMed ID: 33385184

Cluster‑RCT: adding guava reduced iron‑deficiency and lowered acute respiratory infection rates — direct immune/clinical benefit in children.

PubMed ID: 41044653

Prenatal vitamin C in smokers produced durable reductions in child wheeze and improved small‑airway function — immune/respiratory protection in offspring.

PubMed ID: 33213070

ICU antioxidant arm (including vitamin C) restored serum levels and improved SOFA and inflammatory markers in septic shock.

PubMed ID: 37174730

Antioxidant therapy including vitamin C in septic shock associated with marked reductions in organ‑failure and oxidative stress — supports immune/host‑defense modulation.

PubMed ID: 32823974

Multivitamin including vitamin C raised plasma vitamin C and was associated with markedly fewer/shorter self‑reported illnesses (randomized trial), consistent with enhanced immune defense (multi‑nutrient).

PubMed ID: 25205320

Children given a probiotic blend plus 50 mg vitamin C had fewer and shorter URTIs—benefit shown but cannot be attributed to vitamin C alone.

PubMed ID: 1853789

Elderly given vitamins A,C,E had improved T‑cell counts and lymphocyte responses—direct evidence of immune enhancement (combination therapy).

PubMed ID: 7814237

Elderly inpatients with respiratory infections given 200 mg/day had improved clinical respiratory scores and restored vitamin C levels — direct clinical immune benefit.

PubMed ID: 8540748

Topical ascorbic acid reduced scab duration and viral culture positivity in recurrent herpes — evidence of local antiviral/immune facilitation.

PubMed ID: 8942423

Combined C+E raised ex vivo PBMC proinflammatory cytokine responses and lowered lipid peroxides — immune‑modulatory signals.

PubMed ID: 12454520

Early antioxidant therapy (C+E) reduced multiple organ failure in critically ill surgical patients — suggests improved systemic defense.

PubMed ID: 15474248

Randomized, double-blind trial: intravaginal vitamin C significantly improved resolution of non-specific vaginitis and normalized flora/pH.

PubMed ID: 15153076

Sheep mange study: adjunctive ascorbic acid sped clinical recovery and improved immune markers (animal evidence).

PubMed ID: 16164121

Supplementation maintained leukocyte vitamin C stores during pregnancy, preserving immune cell ascorbate which supports immune function.

PubMed ID: 16118650

In older adults with atrophic gastritis, 500 mg/day vitamin C reduced cold incidence (not duration), providing randomized evidence of enhanced immune resistance to common cold.

PubMed ID: 19493713

Adding 500 mg/day vitamin C to H. pylori eradication therapy substantially increased cure rates in a randomized trial — strong clinical support for adjunctive antimicrobial/immune benefit.

PubMed ID: 19674132

Vitamin C (with E) added to H. pylori therapy markedly increased eradication rates in an RCT (vitamins combined) — supports adjunctive immune/antimicrobial effect.

PubMed ID: 20141008

Adjunct IV vitamin C in pulmonary TB associated with better 12‑month outcomes (qualitative) suggesting an immune or adjunctive antimicrobial role.

PubMed ID: 21138361

Concord grape juice increased serum vitamin C and some immune markers (γδ T cells) in healthy adults; effect from combined polyphenols and vitamin C.

PubMed ID: 24228847

200 mg/day oral vitamin C in dialysis patients restored plasma levels and reduced hs‑CRP, indicating reduced inflammation/immune modulation.

PubMed ID: 24512733

IV vitamin C reversed endotoxin‑induced endothelial impairment — relevant to inflammation/host response modulation in acute settings.

PubMed ID: 26170625

Oral vitamin C lowered hs‑CRP and IL‑6 in an RCT—evidence of modulation of inflammatory/immune markers.

PubMed ID: 27854116

Daily vitamin C–containing orange juice in at‑risk children reduced respiratory infection episodes (randomized pediatric study).

PubMed ID: 30701815

Formulations containing ascorbic acid plus IFN and other antioxidants improved ARI clinical and immune markers—vitamin C was part of the beneficial mix.

PubMed ID: 32139409

Large RCT in recruits found ~20% reduction in common-cold incidence with high-dose vitamin C—evidence for immune preventive effect in stress.

PubMed ID: 41315087

Neonatal RCT: IV vitamin C reduced ventilation days and vasopressor needs in septic neonates — clinically meaningful immune/host‑response effect in this population.

PubMed ID: 32024027

Sucrosomial iron with L‑ascorbic acid prevented Hb decline in older subgroup — indicates ascorbic acid aids iron efficacy/absorption in this context.

PubMed ID: 23963460

Randomized trial: fortifying water with iron±ascorbic acid restored iron stores in children; ascorbic acid improved iron utilization — strong direct evidence.

PubMed ID: 19403640

Infant cereal fortified with ascorbic acid allowed non‑sulfate iron forms to maintain hemoglobin — supports practical fortification effect on iron utilization.

PubMed ID: 15864409

Double-blind crossover: 50 mg ascorbic acid added to elemental iron powders restored absorption to ferrous sulfate levels — clear mechanistic human evidence.

PubMed ID: 12362799

Household iron interventions included ascorbic acid and produced clear hemoglobin/ferritin gains — vitamin C supports iron absorption though iron was primary therapy.

PubMed ID: 35631257

Oral iron formulation containing vit C produced marked hemoglobin and iron index improvements.

PubMed ID: 25332469

Controlled isotope study in children showed ascorbic acid dramatically (2–4×) increased iron absorption and overcame calcium inhibition — strong, direct evidence.

PubMed ID: 15580808

Nutrition education increasing fruit/juice (vitamin C) intake raised ferritin in iron-depleted preschoolers—supports dietary vitamin C enhancing iron status in real-world setting.

PubMed ID: 16280435

Fortified maize porridge (contained vitamin C) markedly raised hemoglobin and ferritin and reduced anemia—consistent with enhanced iron absorption.

PubMed ID: 12894046

Children receiving antioxidant vitamins (including vitamin C) had a clinically meaningful rise in hemoglobin vs antibiotics alone—consistent with improved iron status though multiple vitamins were used.

PubMed ID: 21896877

Providing ≈200 mg vitamin C daily (guava juice) raised hemoglobin and tended to increase ferritin in iron‑deficient children—supports improved iron utilization/status.

PubMed ID: 19106242

Duplicate entry (strong evidence) — ascorbic acid markedly increased iron absorption from inhibitory maize porridge when combined with other enhancers.

PubMed ID: 16857836

Well-controlled human data showing ascorbic acid markedly increases absorption of soluble iron salts and improves absorption from elemental iron.

PubMed ID: 16277774

Randomized cross‑over diet study: higher dietary vitamin C produced a clear, significant increase in nonheme iron absorption in young women.

PubMed ID: 20727238

Randomized 16‑week trial: vitamin C–rich kiwifruit consumed with iron‑fortified cereal raised ferritin and improved iron markers.

PubMed ID: 23232585

School randomized trial: fortified drink (including vitamin C) raised vitamin C status and reduced iron deficiency/IDA.

PubMed ID: 23180405

Ferrous ascorbate produced larger hemoglobin increases than colloidal iron in children—supports improved iron uptake/utilization with ascorbate.

PubMed ID: 23936981

Adding 500 mg vitamin C to iron therapy accelerated hemoglobin and RBC index recovery after blood donation.

PubMed ID: 26561622

Well‑designed meal study: 31 mg vitamin C significantly and substantially increased iron absorption (BMI‑dependent).

PubMed ID: 26018112

In vitamin C‑deficient thalassemia patients, vitamin C as adjuvant to chelation improved iron removal and iron biomarkers.

PubMed ID: 26385950

Feeding trial with fish‑meal + vitamin C drink modestly raised Hb and reduced anemia — multi‑component but consistent with enhanced iron uptake.

PubMed ID: 33385184

Cluster‑RCT: guava (high vitamin C) to school meals markedly improved iron biomarkers and reduced iron‑deficiency prevalence — strong dietary evidence.

PubMed ID: 33571267

Large MNP program including vitamin C improved Hb and reduced iron deficiency in children — supportive though multinutrient.

PubMed ID: 34958374

Direct iron absorption study: adding ascorbic acid to fortified cereals substantially increased fractional iron absorption — strong mechanistic evidence.

PubMed ID: 39481541

RCT: adding guava to iron‑containing meal raised hemoglobin and reduced anemia prevalence — supports vitamin C enhancing iron utilization.

PubMed ID: 17374671

Sprinkles (iron + vitamin C among others) substantially reduced anemia and raised Hb in children — vitamin C is a plausible facilitator of iron absorption though multi-nutrient.

PubMed ID: 10568044

Postpartum iron therapy recovered blood measures faster; ascorbic acid was noted as a helpful additive, consistent with improved iron absorption/compliance.

PubMed ID: 41097179

Nutrition education increased infant dietary vitamin C and was associated with higher ferritin and hemoglobin — consistent with vitamin C enhancing non‑heme iron absorption (human trial, indirect but biologically plausible).

PubMed ID: 34782532

Ferrous ascorbate raised Hb and ferritin slightly more and caused fewer GI side effects than ferrous sulfate in pregnancy; ascorbate likely contributed though formulations differ.

PubMed ID: 31520309

Ferrous ascorbate (contains ascorbate) produced larger and faster hemoglobin and RBC improvements than iron polymaltose in iron‑deficient children — strong direct evidence that ascorbate improves iron therapy efficacy.

PubMed ID: 23761652

High‑quality isotope absorption studies in young children showing large, significant increases in fractional iron absorption when vitamin C was added (esp. with phytase).

PubMed ID: 23962728

Direct human isotope study: adding ascorbic acid to sorghum meals increased iron absorption from ~2.7–4.6% to 13.6% (large absolute increase, P<0.001).

PubMed ID: 11442213

Adding vitamins A+C to anemia treatment in children accelerated restoration of iron stores and hemoglobin—clinical evidence supporting vitamin C's role in iron repletion (co‑administered).

PubMed ID: 9209187

Iron+vitamins (including C) improved hemoglobin and ferritin in adolescents—consistent with enhanced iron utilization though multi‑nutrient confounding exists.

PubMed ID: 1919803

Older trial: iron therapy plus vitamin C improved iron markers and exercise capacity compared with vitamin C alone — supports ascorbate enhancing iron therapy.

PubMed ID: 41224959

Encapsulated ferric product including vitamin C produced similar Hb/ferritin with fewer GI AEs — suggests ascorbic acid aided iron uptake/tolerability.

PubMed ID: 20863398

Fortified water containing ascorbic acid was associated with substantial hemoglobin increases and reduced anemia in children — supports vitamin C aiding iron utilization.

PubMed ID: 33880752

Low-dose vitamin C included with probiotic + iron was associated with smaller ferritin declines and lower iron-deficiency/anemia rates in pregnancy — plausible contribution to iron bioavailability.

PubMed ID: 2152664

Infant milk fortified with iron + vitamin C abolished iron‑deficiency anemia vs controls (large clinical effect, combination product).

PubMed ID: 9829492

IV vitamin C in iron‑overloaded dialysis patients markedly increased TSAT/serum iron and hematocrit—demonstrates mobilization of iron stores/availability.

PubMed ID: 11722961

Large RCT: iron sprinkles that included ascorbic acid cured anemia similarly to standard therapy—supports practical efficacy.

PubMed ID: 11952508

IV vitamin C improved iron availability and reduced EPO needs in iron‑overloaded dialysis patients (clinically meaningful).

PubMed ID: 12776276

Randomized crossover: IV ascorbate increased hemoglobin/TSAT and improved EPO responsiveness in hemodialysis patients.

PubMed ID: 15339999

IV vitamin C decreased sTfR and increased TSAT in dialysis patients—consistent with improved iron mobilization.

PubMed ID: 16222916

Community water fortification with ascorbic acid (plus iron in some arms) reduced anemia and raised Hb—practical evidence of improved iron status.

PubMed ID: 18974579

Repeated IV vitamin C in dialysis patients mobilized iron and improved hemoglobin/transferrin saturation.

PubMed ID: 25068233

RCT with multi‑antioxidant supplement (including vitamin C) showed less erythema/dryness and better hydration during isotretinoin therapy — vitamin C may have contributed though other ingredients present.

PubMed ID: 27272084

Topical ascorbic derivative (in combination cream) improved wrinkles, brown spots and color metrics versus placebo (clinical improvements).

PubMed ID: 27380862

Daily 20% topical vitamin C modestly improved under‑eye pigmentation with good tolerability—cosmetic skin improvement.

PubMed ID: 19692922

Antioxidant supplementation (including vitamin C) in burned children reduced oxidative stress and shortened wound healing, beneficial for skin recovery.

PubMed ID: 19659873

Oral procyanidin + vitamins (A,C,E) reduced facial pigmentation (melasma), improving clinical skin outcomes though vitamin C was part of a combo.

PubMed ID: 27504543

Topical magnesium ascorbyl phosphate added to peel gave significant clinical improvement in melasma (skin benefit).

PubMed ID: 22142309

Topical vitamin C derivative (with peptide) reduced pigmentation and UV‑induced inflammatory markers — direct topical skin benefit.

PubMed ID: 35510765

Topical hydroquinone+ascorbic acid cream produced greater pigment reduction and QoL improvements — vitamin C likely contributed.

PubMed ID: 41117156

Injectable mix including vitamin C improved under‑eye pigmentation and patient satisfaction (multi‑agent; vitamin C contribution unclear).

PubMed ID: 34406172

Very large multicenter randomized trial: vitamin C solution reduced irritation and rapidly removed iodine stain — strong topical mucosal/skin benefit.

PubMed ID: 31783028

Topical 2% vitamin C spray significantly reduced mucosal irritation and sped decolorization after Lugol staining (large randomized trial; direct topical benefit).

PubMed ID: 20367669

Randomized double‑blind trial: topical vitamin C derivative (5% SAP) produced clinically significant improvement in acne vs vehicle — direct skin benefit.

PubMed ID: 10722036

IV vitamin C produced clinically meaningful improvements in burn edema and recovery — direct skin/tissue benefit in severe injury.

PubMed ID: 38931263

Oral hydrolyzed collagen + vitamin C improved dermal density and reduced wrinkles in women.

PubMed ID: 33881605

Laser + topical vitamin C reduced scar metrics; combined-treatment but topical vitamin C included.

PubMed ID: 25349107

Topical antioxidant formulation including vitamin C reduced a molecular marker (MMP‑1) of infrared‑induced skin damage.

PubMed ID: 32017646

Improved collagen structure and subjective skin outcomes after 12 weeks with a vitamin C–containing formulation.

PubMed ID: 22151934

Randomized, vehicle‑controlled trial: topical 10% vitamin C reduced pigmentation and increased skin brightness versus vehicle (direct clinical skin benefit).

PubMed ID: 17953631

Antioxidant mix including vitamin C improved repigmentation in vitiligo — skin benefit though multi‑nutrient.

PubMed ID: 2112634

Burn formula including vitamin C reduced wound infections/LOS — direct clinical skin healing benefit though multi‑nutrient.

PubMed ID: 15941534

Multimicronutrient (incl. vitamin C) trial reduced oxidized DNA in children, implying protection relevant to skin health.

PubMed ID: 16988134

Increased plasma vitamin C, ORAC and reduced lymphocyte DNA damage—biomarkers supportive of skin health.

PubMed ID: 31627309

Collagen/dermal improvements and better hydration/roughness seen with a product containing vitamin C support improved skin health, but multi-ingredient limits attribution.

PubMed ID: 41521693

Post‑ablative CO2 laser split‑face RCT: CE‑Ferulic markedly improved wound healing, erythema and pigmentation — strong direct skin benefit (combo product).

PubMed ID: 40414817

Split‑face RCT: CE Ferulic reduced erythema, melanin index and improved hydration after Fraxel (topical antioxidant combo).

PubMed ID: 40464749

Topical antioxidant (C+E+ferulic) improved wrinkles and histology after microneedle RF, consistent with healthier skin outcomes.

PubMed ID: 38525606

Topical vitamin C derivative plus adjunct improved wrinkles, pigmentation and redness — direct improvement in skin health metrics.

PubMed ID: 34910367

Topical vitamin C derivative produced visible anti‑wrinkle and dermal structural improvements in a split‑face RCT.

PubMed ID: 33326047

Laser-assisted topical vitamin C produced clinically meaningful periorbital skin improvements.

PubMed ID: 31975502

Topical vitamin C/E increased skin lightness, firmness and radiance in an RCT.

PubMed ID: 29767467

Mesotherapy with vitamin C reduced periorbital hyperpigmentation and increased patient satisfaction.

PubMed ID: 28388246

Intradermal vitamin C plus salicylic peels reduced melasma severity and improved QoL (randomized human trial).

PubMed ID: 35362717

Post‑stroke dysphagia patients had improved swallowing and nutritional markers with vitamin C stimulation therapy—likely to improve overall function/vitality.

PubMed ID: 15231001

Increased fruit/veg intake raised plasma vitamin C and was associated with better self-rated and physical health—directly supports perceived vitality.

PubMed ID: 16627214

Randomized crossover: antioxidant mix (incl. vitamin C) reduced pain and improved QoL in chronic pancreatitis, reflecting improved well‑being/vitality.

PubMed ID: 28526377

Orange juice increased plasma vitamin C and improved insulin sensitivity, lipids and inflammation—broad metabolic benefits that can support perceived vitality.

PubMed ID: 21751253

Subjects taking a multivitamin (with vitamin C) reported greater physical and mental energy, consistent with improved perceived vitality.

PubMed ID: 23962728

Marked increase in iron uptake with ascorbic acid in meals—mechanistic support for improved vitality via iron repletion.

PubMed ID: 23761652

Improved iron absorption from added ascorbic acid supports better iron status and general energy/vitality.

PubMed ID: 32682929

In deficient individuals, vitamin C improved VO2max and peak torque (direct functional gains).

PubMed ID: 32807165

Fortified beverage (including vitamin C) improved IL‑6, fat‑free mass and handgrip strength in COPD patients — clinically meaningful vitality gains (multi‑ingredient).

PubMed ID: 40859523

Improvements in muscle mass and strength in sarcopenic older women (vitamins C+E with training) plausibly increase overall vitality/function.

PubMed ID: 16222916

Reduced anemia and higher hemoglobin in children after ascorbic acid interventions—translates to improved vitality.

PubMed ID: 23936981

Faster hematologic recovery after donation with high‑dose vitamin C suggests quicker return of energy/vitality.

PubMed ID: 40187667

Randomized trial in adults with suboptimal status: vitamin C changed gut microbiota, raised BDNF and improved cognitive tests and vitality‑related measures.

PubMed ID: 25246239

Antioxidant supplementation including vitamin C improved muscle strength/endurance and lowered oxidative stress — supports physical vitality.

PubMed ID: 37447210

Combination supplement including vitamin C reduced prolonged fatigue and improved some QoL metrics (combination product).

PubMed ID: 28634625

Mediterranean‑diet intervention raised blood vitamin C and improved body composition and glycemic markers—consistent with improved overall vitality (dietary study).

PubMed ID: 38542673

Perioperative high‑dose IV vitamin C markedly reduced pulmonary complications and mortality, reflecting substantial improvements in clinical resilience/vitality in that setting.

PubMed ID: 12208645

Reported short-term improvements in mood and sexual activity suggest modest effects on perceived vitality.

PubMed ID: 28158239

Free fruit/veg intervention that raised vitamin C improved vitality, flourishing and motivation in young adults (RCT with plasma vitamin C increases).

PubMed ID: 32971991

Restoring vitamin C status improved mood/well‑being and fatigue in those with low baseline, supporting increased subjective vitality.

PubMed ID: 33094466

IV vitamin C in sepsis improved survival and organ function—large impact on physiological vitality in severe illness.

PubMed ID: 36501014

l‑arginine + vitamin C improved 6‑minute walk distance, handgrip strength and endothelial function in long COVID—broad functional/vitality benefits.

PubMed ID: 7503047

Prospective observational study linked higher dietary vitamin C (with beta‑carotene) to lower all‑cause and cause‑specific mortality — supports population-level vitality.

PubMed ID: 32971991

Vitamin C tablets (and kiwifruit) improved fatigue/well‑being in young adults with low baseline vitamin C.

PubMed ID: 26353411

500 mg/d for 14 days reduced anxiety scores and heart rate in students—may translate to improved subjective energy/well‑being.

PubMed ID: 22264303

Single high‑dose IV vitamin C caused a statistically significant, clinically meaningful reduction in fatigue in office workers.

PubMed ID: 12208645

Small RCT reported improved mood and increased partnered intercourse frequency over 14 days—consistent with improved subjective vitality/reduced fatigue.

PubMed ID: 37447210

Two‑month pomegranate extract + B‑vitamin + vitamin C formulation significantly reduced self‑reported prolonged fatigue versus placebo.

PubMed ID: 40187667

Oral vitamin C improved cognitive performance and BDNF with reduced inflammatory markers; associated with improved mental vitality.

PubMed ID: 39481541

Guava added to iron‑containing meal raised Hb and sharply reduced anemia prevalence — clinical basis for less tiredness.

PubMed ID: 34958374

Direct mechanistic trial: added ascorbic acid markedly increased fractional iron absorption from fortified cereals — improves iron status tied to reduced fatigue.

PubMed ID: 33571267

Large MNP trial (includes ascorbic acid) reduced anemia and iron deficiency in young children — plausible effect on energy/tiredness.

PubMed ID: 33385184

Guava (vitamin C) added to meals increased plasma vitamin C and hemoglobin and reduced iron‑deficiency and ARI — should reduce fatigue in anaemic children.

PubMed ID: 23936981

High‑dose (500 mg) vitamin C with iron sped hemoglobin and RBC recovery after donation—likely reduces post‑donation fatigue.

PubMed ID: 16564942

IV vitamin C improved anemia/iron availability in hemodialysis patients—relevant to fatigue from anemia.

PubMed ID: 16222916

Community intervention with ascorbic acid raised hemoglobin and reduced anemia in children—likely reduces fatigue.

PubMed ID: 32682929

Improved VO2max and peak torque in vitamin C–deficient subjects (may reduce perceived fatigue with better performance).

PubMed ID: 31433781

Randomized trial of vitamin C + n-3 reduced postoperative patient-reported fatigue — direct clinical evidence for reduced tiredness, though combo confounds attribution.

PubMed ID: 23761652

Stable‑isotope studies in children show added ascorbic acid substantially increases iron absorption—improved iron status can reduce fatigue/tiredness.

PubMed ID: 23962728

Adding vitamin C to sorghum meals greatly increased iron absorption (large absolute increase), a direct mechanism to improve hemoglobin and reduce tiredness.

PubMed ID: 1919803

Iron therapy combined with vitamin C improved iron indices and exercise capacity, supporting reduced fatigue from iron repletion.

PubMed ID: 15864409

Adding 50 mg vitamin C to elemental iron fortificants markedly increased absorption to match ferrous sulfate — mechanistic support for reducing iron-deficiency tiredness.

PubMed ID: 12362799

Iron + ascorbic acid in water raised hemoglobin and ferritin — improved iron status is plausibly linked to reduced fatigue (vitamin C facilitates absorption).

PubMed ID: 21751253

Multivitamin (including vitamin C) trial reported increased physical and mental energy at work; effect cannot be attributed to vitamin C alone but supports reduced tiredness signal.

PubMed ID: 36501014

Randomized l‑arginine + vitamin C for 28 days markedly reduced fatigue in long COVID patients (large, clinically meaningful effect), though combination product.

PubMed ID: 20598855

Nutrient‑rich oral supplement that included vitamin C accelerated healing of severe pressure ulcers vs control—vitamin C was one component.

PubMed ID: 2112634

Enteral formula including vitamin C reduced wound infections and LOS in burns — strong clinical wound outcome though multiple nutrients present.

PubMed ID: 20347467

Human study: smokers had lower vitamin C and collagen marker; cessation increased vitamin C and PINP and improved wound parameters.

PubMed ID: 30039526

Perioperative oral vitamin C improved early soft-tissue healing indices in dental implant patients.

PubMed ID: 17933438

Enteral formula including vitamins A,C,E reduced new pressure‑ulcer formation in critically ill patients—supports a role in tissue integrity/wound prevention (multinutrient intervention).

PubMed ID: 10722036

High‑dose IV vitamin C in severe burns markedly reduced fluid needs, edema and ventilation time — large clinical benefits in burn-related tissue injury and recovery.

PubMed ID: 8540748

Topical ascorbic acid shortened scab duration and reduced viral positivity in recurrent herpes lesions — direct acceleration of lesion healing.

PubMed ID: 10636366

500 mg/day vitamin C after wrist fracture significantly lowered reflex sympathetic dystrophy incidence — clinically relevant post-injury outcome.

PubMed ID: 17606778

Randomized trial: 500 mg/day vitamin C substantially reduced complex regional pain syndrome after wrist fracture — clinically relevant to post‑injury healing/complications.

PubMed ID: 19692922

Randomized double‑blind pilot in burned children: antioxidant mix including vitamin C shortened wound healing time and lowered MDA.

PubMed ID: 19840748

1 g/day perioperative vitamin C markedly reduced post-op CRPS incidence after foot/ankle surgery — indicates improved surgical recovery outcomes.

PubMed ID: 21448709

2 g IV vitamin C during myomectomy markedly reduced blood loss and shortened operation time — perioperative tissue outcome benefit.

PubMed ID: 33326047

Laser-assisted topical vitamin C delivered via channels improved wrinkle depth/roughness—consistent with enhanced dermal remodeling/wound-repair processes.

PubMed ID: 32073316

Post‑op oral vitamin C improved corneal recovery and symptoms after surgery, indicating faster postoperative tissue recovery.

PubMed ID: 34347132

Prospective RCT reduced CRPS after foot/ankle surgery; clinically meaningful postoperative benefit related to recovery/healing sequelae.

PubMed ID: 34448547

IV vitamin C around polypectomy substantially lowered early and overall postprocedural bleeding—supports better procedural wound outcomes.

PubMed ID: 33597336

Split‑mouth RCT: systemic (and local+systemic) vitamin C improved socket soft‑tissue healing after tooth extraction.

PubMed ID: 35623878

Perioperative IV vitamin C modestly reduced blood loss and was associated with fewer wound issues in a randomized trial.

PubMed ID: 39487511

Single perioperative IV dose reduced pain and inflammatory markers after hip replacement — consistent with faster early tissue recovery.

PubMed ID: 39674960

Peri/postop IV vitamin C reduced postoperative pain and analgesic consumption after fracture surgery — supports improved early recovery/healing milieu.

PubMed ID: 40208930

Vitamin C after total hip arthroplasty lowered pain, opioid use and CRP — supports improved postoperative recovery.

PubMed ID: 40414817

CE Ferulic reduced melanin index and pigmentation measures after Fraxel — improvement in complexion (topical combo).

PubMed ID: 40464749

After microneedle RF, topical C+E+ferulic produced greater wrinkle and histologic elastin improvements versus placebo (combination formulation).

PubMed ID: 38525606

Topical tetrahexyldecyl ascorbate (vitamin C derivative) improved wrinkles and pigment vs ascorbate alone — strong direct skin elasticity/photoaging evidence.

PubMed ID: 34910367

Double‑blind split‑face RCT: topical lipophilic vitamin C derivative reduced periorbital wrinkles and improved topographic dermal parameters.

PubMed ID: 33326047

Topical vitamin C delivered after ablative laser significantly reduced wrinkle depth and roughness, consistent with improved dermal elasticity.

PubMed ID: 31975502

Topical ascorbic acid increased skin radiance (gloss +24.2%) and reduced melanin index on treated side.

PubMed ID: 29767467

Periorbital hyperpigmentation improved with vitamin C mesotherapy (higher patient satisfaction).

PubMed ID: 28388246

Intradermal vitamin C reduced melasma severity and improved patient QoL—strong evidence for complexion brightening (clinical trial).

PubMed ID: 27272084

Topical ascorbic derivative in a combination cream improved colorimetric skin parameters and brown spots vs placebo (clinical outcome).

PubMed ID: 27380862

Topical 20% vitamin C produced modest but clinically meaningful improvement in periorbital hyperpigmentation.

PubMed ID: 19659873

Oral antioxidant + vitamins (incl. C) significantly reduced melasma pigmentation (objective mexameter and MASI improvements).

PubMed ID: 27504543

Addition of topical magnesium ascorbyl phosphate to TCA peel significantly improved melasma (brighter complexion) vs peel alone.

PubMed ID: 22142309

Topical sodium ascorbyl phosphate (with peptide) reduced pigmentation and faded pigment spots in trials.

PubMed ID: 35510765

Topical hydroquinone+ascorbic acid cream produced greater melanin index reduction than comparator — supports brighter appearance.

PubMed ID: 41117156

Injectable product containing vitamin C improved periorbital pigmentation and patient satisfaction (multi‑agent, vitamin C contribution uncertain).

PubMed ID: 10722036

Large IV vitamin C effects in severe burns imply improved skin/tissue recovery and remodeling, which can reflect collagen-related elasticity benefits.

PubMed ID: 25349107

Topical antioxidant (with vitamin C) reduced MMP‑1 induction; less collagen breakdown supports elasticity preservation.

PubMed ID: 32017646

Oral dermonutrient (contains vitamin C) improved dermal collagen structure and subjective skin quality; attribution to vitamin C alone is uncertain.

PubMed ID: 31627309

Randomized trial of a collagen peptide drink with 80 mg vitamin C showed clinically meaningful increases in skin firmness/elasticity, though multi-ingredient.

PubMed ID: 22151934

Topical 10% L‑ascorbic acid produced significant increases in measured skin brightness and reduced pigment in a randomized vehicle‑controlled trial (direct evidence).

PubMed ID: 41521693

Topical CE‑Ferulic significantly reduced melanin index and erythema after ablative CO2 laser — clear brightening effect (combination formulation).

PubMed ID: 29955932

Perioperative vitamin C prevented the postoperative plasma drop and trended to less arthrofibrosis after knee replacement—supports connective tissue integrity.

PubMed ID: 23592317

Vitamins C+E prolonged latency after membrane rupture—suggestive of strengthened connective membranes (combo therapy).

PubMed ID: 19692922

Faster wound healing in burned children (antioxidant mix including vitamin C) implies improved connective tissue repair.

PubMed ID: 30799392

Restoring plasma vitamin C after surgery provides the cofactor required for hydroxylation in collagen synthesis — direct biochemical rationale and restored status observed.

PubMed ID: 10722036

High-dose IV vitamin C in burns produced pronounced improvements in fluid/edema/ventilation consistent with enhanced tissue repair and collagen-dependent processes.

PubMed ID: 15817864

100 mg/day vitamin C in pregnancy markedly reduced premature rupture of membranes (a connective‑tissue outcome), supporting stronger membranes.

PubMed ID: 25349107

Topical antioxidant (with vitamin C) reduced MMP‑1 upregulation (less collagen breakdown), indirectly supporting net collagen preservation.

PubMed ID: 32017646

Dermonutrient drink (with vitamin C) improved dermal collagen structure on confocal microscopy—supports connective-tissue improvements.

PubMed ID: 31627309

Oral collagen peptide product including vitamin C improved skin firmness and collagen-related measures, relevant to connective-tissue strength though not vitamin-C isolated.

PubMed ID: 39203831

Three‑month multi‑ingredient supplement including vitamin C increased intervertebral disc volume on MRI (structural connective tissue change), though symptoms unchanged.

PubMed ID: 2112634

Burn patient outcomes improved with a vitamin C‑containing enriched formula — consistent with enhanced collagen‑dependent repair.

PubMed ID: 41521693

CE‑Ferulic accelerated epidermal/dermal healing metrics after CO2 laser, compatible with enhanced collagen remodeling (combination topical evidence).

PubMed ID: 38525606

Topical vitamin C derivative improved wrinkle severity (suggests dermal collagen effects) — direct skin collagen support evidence.

PubMed ID: 39781402

Local vitamin C injections produced durable gingival tissue remodeling comparable to surgery — consistent with local collagen/stromal effects.

PubMed ID: 35623878

Reduced surgical bleeding and fewer wound issues with perioperative IV vitamin C align with enhanced collagen‑mediated wound repair.

PubMed ID: 36481988

In women with prior PPROM, vitamin C delayed membrane rupture and delivery and increased birthweight—consistent with improved connective tissue/membrane integrity.

PubMed ID: 33597336

Improved soft‑tissue socket healing suggests vitamin C supported local collagen‑rich tissue repair, though bone fill was unchanged.

PubMed ID: 33326047

Topical vitamin C delivered via laser channels produced marked reductions in wrinkle depth and roughness—consistent with collagen/dermal connective-tissue remodeling.

PubMed ID: 31975502

Topical ascorbic acid improved firmness and elasticity, indicating strengthened dermal connective tissue.

PubMed ID: 23725523

Vitamin C improved periodontal bleeding and local tissue status consistent with collagen/connective tissue support.

PubMed ID: 22317944

Vitamins C and/or E substantially reduced RLS severity; symptom relief likely improves well‑being.

PubMed ID: 20454891

Thirty-three days of a B-vitamin/mineral supplement that included vitamin C improved mood and lowered perceived stress in healthy men; effect not isolated to vitamin C.

PubMed ID: 16133138

Adjunctive vitamin C to antipsychotics improved psychiatric symptom scores (BPRS) alongside oxidative stress reductions—evidence for mood/clinical well‑being in that population.

PubMed ID: 12208645

Randomized double‑blind trial reported improved mood (BDI) and increased intercourse frequency after 14 days of vitamin C—direct evidence for mood/well‑being effects.

PubMed ID: 11862365

Reduction in subjective stress reactions and faster cortisol recovery following acute stress indicates improved psychological response to stress.

PubMed ID: 40187667

Randomized trial: oral vitamin C improved cognitive test performance, increased serum BDNF and reduced inflammatory signals — strong evidence for improved mental well‑being.

PubMed ID: 38010274

Significant reductions in cortisol and DHEA‑S with 1 g/day vitamin C in women with stress‑related hormone elevations, consistent with improved stress/mood physiology.

PubMed ID: 16627214

Antioxidant mix including vitamin C reduced pain and improved SF-36 quality-of-life measures in chronic pancreatitis (direct QoL benefit).

PubMed ID: 36501014

l‑arginine + vitamin C improved fatigue and functional measures in long COVID, indicating improved well‑being although intervention combined nutrients.

PubMed ID: 32971991

Randomized trial: restoring vitamin C in low-status young adults improved mood and well‑being (kiwifruit and/or tablets).

PubMed ID: 34476568

1000 mg/day improved attention and cognitive measures, contributing to better mood/well‑being.

PubMed ID: 28158239

Provision of free fruit/veg (raising plasma vitamin C) improved vitality, flourishing and motivation in young adults (RCT; vitamin C was a biomarker of intake).

PubMed ID: 26353411

500 mg/day for 14 days reduced anxiety scores and heart rate in high‑school students—direct mood/well‑being benefit in an RCT.

PubMed ID: 25835231

Observational study in older acutely ill patients found lower vitamin C associated with more depressive symptoms — reasonably strong associative evidence linking vitamin C status with mood.

PubMed ID: 24511708

1000 mg/day vitamin C reduced anxiety scores in people with type 2 diabetes over 6 weeks.

PubMed ID: 37439597

Multinutrient capsules including vitamin C provided modest adjunctive benefit to nonsurgical periodontal therapy (pocket depth/bleeding), implying firmer/healthier gums.

PubMed ID: 40410805

I‑PRF with vitamin C in stage‑II periodontitis produced modest short‑term improvement in clinical attachment level and less pain — supports gingival repair.

PubMed ID: 39781402

Local vitamin C injections produced comparable long‑term gingival depigmentation to surgery with higher patient satisfaction — demonstrates local tissue remodeling and clinical oral benefit.

PubMed ID: 33597336

Systemic and combined local+systemic vitamin C improved soft‑tissue socket healing after extraction—direct oral/gum benefit.

PubMed ID: 23725523

Adding oral vitamin C to periodontal therapy significantly reduced sulcus bleeding index versus SRP alone in gingivitis/periodontitis.

PubMed ID: 25277459

Dentifrice with a long‑acting vitamin C derivative improved gingival inflammation (per‑protocol) and increased salivary antioxidant activity vs control.

PubMed ID: 19186973

Topical ascorbic acid derivative gel improved gingival appearance (lightness) in a split‑mouth trial — direct mucosal tissue benefit.

PubMed ID: 15693825

Chewing gum containing vitamin C reduced supragingival calculus and bleeding sites substantially vs no gum, strongest in heavy calculus formers.

PubMed ID: 20225703

6‑month micronutrient supplement including vitamin C reduced gingival bleeding and pocket depth vs placebo (multi‑nutrient).

PubMed ID: 30941800

Anti‑inflammatory diet (with higher vitamin C) reduced gingival bleeding vs control in a randomized trial — supports gum health (indirect for vitamin C alone).

PubMed ID: 11913269

Randomized trial: a multivitamin tablet including vitamin C improved gingival index and pocket depth versus placebo—clinical periodontal improvement consistent with firmer/healthier gums though vitamin C was one of multiple actives.

PubMed ID: 16127404

Grapefruit consumption raised plasma vitamin C and produced a clinically meaningful reduction in bleeding-on-probing in periodontitis patients.

PubMed ID: 40231193

Perioperative IV vitamin C after total hip arthroplasty reduced opioid use, pain scores and inflammatory markers and improved early function — clinically meaningful benefit for joint recovery.

PubMed ID: 35575611

Large RCT showed 500 mg/day vitamin C modestly reduced incident gout, a clinically relevant joint disease outcome.

PubMed ID: 10050562

Combination supplement containing manganese ascorbate improved knee osteoarthritis symptoms (vitamin C was a component; contribution unclear).

PubMed ID: 12854267

Short-term calcium ascorbate modestly reduced pain and improved function in hip/knee osteoarthritis versus placebo — direct but modest joint benefit from a vitamin C salt.

PubMed ID: 40355782

Perioperative high‑dose vitamin C reduced pain and analgesic use after hip fracture surgery, with similar functional scores — supports postoperative joint recovery.

PubMed ID: 37482552

IV then oral vitamin C in hospitalized pneumonia rapidly increased plasma levels and showed a trend toward faster clinical stability (feasibility signal for shorter recovery).

PubMed ID: 20689965

In adolescent swimmers, vitamin C markedly shortened and softened URIs in males (47% shorter duration) — direct evidence for shortened cold recovery in a subgroup.

PubMed ID: 25205320

Probiotic plus 50 mg vitamin C reduced URTI duration and symptom days in preschool children (combination product).

PubMed ID: 32823974

MVM including vitamin C lowered self‑reported days ill from ~6.4 to ~2.3 (≈−64%) in a randomized trial — strong evidence of shorter illness duration (multi‑ingredient).

PubMed ID: 22184801

Micronutrient regimen including vitamin C modestly reduced common cold symptom scores and incident severity — supports shorter/milder cold episodes in that population.

PubMed ID: 22172428

Kiwifruit intervention raised plasma vitamin C and reduced URTI duration/severity (head congestion, sore throat) in older adults—evidence for shorter cold recovery in a vitamin‑C‑rich food context.

PubMed ID: 12201356

Trial showed vitamin C supplementation shortened duration of severe cold symptoms and reduced total days ill — strong direct evidence for faster recovery.

PubMed ID: 12417278

Vitamin C prevented exercise‑induced endothelial dysfunction and oxidative/inflammatory marker rises in claudicants.

PubMed ID: 25246239

Antioxidant regimen including vitamin C improved quadriceps strength and endurance and reduced lipid peroxides in FSHD patients — suggests recovery/oxidative‑stress benefit.

PubMed ID: 26789096

Pre‑exercise vitamin C acutely lowered exercise‑induced MDA (oxidative stress), suggesting faster biochemical recovery.

PubMed ID: 21813916

Combined flavonoid+vitamin C reduced acute post‑exercise rise in F2‑isoprostanes (oxidative stress marker) in athletes — supports recovery of oxidative status.

PubMed ID: 17189550

RCT in overweight adults: antioxidant regimen including vitamin C lowered exercise-induced oxidative stress and improved inflammatory/lipid responses.

PubMed ID: 41139389

Acute snake fruit (vitamin C + polyphenols) improved postprandial antioxidant markers and endurance; plausible contribution to exercise recovery though multi‑component.

PubMed ID: 40853071

Oral multi‑ingredient supplement that included vitamin C produced a modest but statistically significant increase in marked clinical hair improvement when added to alopecia drugs; vitamin C attribution limited by combined formulation.