Astaxanthin
17 benefits mapped to clinical evidence across supplements.
Dose per serving from products
1,670 products in our catalogue print how much Astaxanthin a serving holds.
Most common: 10 mg to 25 mg, 26% of 1,670 products.
| Dose per serving | Products |
|---|---|
| 25 mcg or less | 70 |
| 25 mcg to 50 mcg | 102 |
| 50 mcg to 100 mcg | 118 |
| 100 mcg to 250 mcg | 143 |
| 250 mcg to 500 mcg | 108 |
| 500 mcg to 1 mg | 118 |
| 1 mg to 2.5 mg | 136 |
| 2.5 mg to 5 mg | 245 |
| 5 mg to 10 mg | 120 |
| 10 mg to 25 mg | 433 |
| over 25 mg | 77 |
Dose per serving from research
59 study groups in 45 studies say how much Astaxanthin participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 10 mg to 25 mg, 37% of 59 study groups.
| Daily dose | Study groups |
|---|---|
| 500 mcg or less | 2 |
| 500 mcg to 1 mg | 2 |
| 1 mg to 2.5 mg | 2 |
| 2.5 mg to 5 mg | 9 |
| 5 mg to 10 mg | 20 |
| 10 mg to 25 mg | 22 |
| over 25 mg | 2 |
Commonly used together
13 of 59 study groups took Astaxanthin with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Lutein | 3 |
| Zeaxanthin | 3 |
Benefit Evidence
Anti-inflammatory, antioxidant support
+oocyte outcomes
Cytokines/oxidative stress -
Vision: +4.6 VA
Skin: wrinkles/elasticity
Cognition/Oxidative: -21s, -65%
Anti-inflammatory, antioxidant support
+oocyte outcomes
Cytokines/oxidative stress -
Research sources
Antioxidant (16)
- The Beneficial Effects of Astaxanthin on Glucose Metabolism and Modified Low-Density Lipoprotein in Healthy Volunteers and Subjects with Prediabetes
PubMed ID: 34959932
12 mg/day reduced oxidized-LDL and improved related markers over 12 weeks (human trial with metabolic/endothelial endpoints).
- Astaxanthin ameliorates inflammation, oxidative stress, and reproductive outcomes in endometriosis patients undergoing assisted reproduction: A randomized, triple-blind placebo-controlled clinical trial
PubMed ID: 37020589
12-week astaxanthin increased TAC and SOD and decreased MDA in women with endometriosis (robust human biomarker changes).
- Astaxanthin supplementation impact on insulin resistance, lipid profile, blood pressure, and oxidative stress in polycystic ovary syndrome patients: A triple-blind randomized clinical trial
PubMed ID: 37874168
Triple-blind RCT in PCOS showed increased TAC and decreased MDA with astaxanthin alone.
- Astaxanthin treatment ameliorates ER stress in polycystic ovary syndrome patients: a randomized clinical trial
PubMed ID: 36854788
Astaxanthin prior to ART raised follicular TAC and reduced ER-stress markers in a randomized trial.
- Randomized clinical trial of astaxanthin supplement on serum inflammatory markers and ER stress-apoptosis gene expression in PBMCs of women with PCOS
PubMed ID: 39036884
RCT in PCOS women showed reduced ER-stress and inflammation with concomitant antioxidant biomarker changes in immune cells.
- Astaxanthin improves assisted reproductive technology outcomes in poor ovarian responders through alleviating oxidative stress, inflammation, and apoptosis: a randomized clinical trial
PubMed ID: 39482765
Triple-blind RCT in poor ovarian responders showed increased SOD/TAC and decreased MDA attributable to astaxanthin.
- Impact of astaxanthin on oxidative markers, uric acid, and clinical symptoms in heart failure: a randomized clinical trial
PubMed ID: 41162864
Heart-failure RCT reported large increases in SOD/TAC and large decreases in MDA with 20 mg/day astaxanthin.
- Redox-sensitive miRNAs and Humanin could mediate effects of exercise and astaxanthin on oxidative stress and inflammation in type 2 diabetes
PubMed ID: 41249265
In T2DM, astaxanthin increased total antioxidant capacity and altered redox-sensitive miRNAs in an RCT.
- Boosting Antioxidant Defense: The Effect of Astaxantin on Superoxidase Dismutase and Malondialdehyde Reduction in Patients with Head and Neck Cancer Receiving Cisplatin Chemotherapy
PubMed ID: 39487992
Trial in head-and-neck cancer patients on cisplatin showed astaxanthin increased SOD and lowered MDA.
- Effect of astaxanthin supplementation on muscle damage and oxidative stress markers in elite young soccer players
PubMed ID: 22828460
Reduced postexercise muscle‑enzyme release and preservation of total antioxidative status suggest antioxidant protection.
- Antioxidant effect of astaxanthin on phospholipid peroxidation in human erythrocytes
PubMed ID: 21276280
Dose-dependent incorporation into erythrocytes and reductions in erythrocyte lipid peroxides support antioxidant action.
- Protective effects of Haematococcus astaxanthin on oxidative stress in healthy smokers
PubMed ID: 21883001
Dose-dependent reductions in isoprostane and improvements in SOD/TAC in heavy smokers show robust antioxidant activity in at‑risk humans.
- Effect of astaxanthin supplementation on paraoxonase 1 activities and oxidative stress status in young soccer players
PubMed ID: 23192897
In soccer players astaxanthin increased PON1 activity and thiol antioxidants, indicating improved antioxidant defense.
- Markers of Hypoxia and Oxidative Stress in Aging Volunteers Ingesting Lycosomal Formulation of Dark Chocolate Containing Astaxanthin
PubMed ID: 30379308
Lycosome astaxanthin formulation markedly raised serum ASTX and reduced oxidized LDL/MDA (small human groups but strong biomarker effects).
- Improvement of Executive Function after Short-Term Administration of an Antioxidants Mix Containing Bacopa, Lycopene, Astaxanthin and Vitamin B12: The BLAtwelve Study
PubMed ID: 33375429
Antioxidant mix containing astaxanthin reduced circulating oxidative-stress marker (8-isoprostane) in older adults with cognitive benefit (multi-ingredient trial).
- The antioxidant and anti-inflammatory effects of astaxanthin supplementation on the expression of miR-146a and miR-126 in patients with type 2 diabetes mellitus: A randomised, double-blind, placebo-controlled clinical trial
PubMed ID: 33445213
8 mg/day decreased MDA and IL-6 and downregulated pro‑inflammatory miR-146a in T2DM patients (direct oxidative/inflammatory biomarker improvements).
Inflammation (9)
- Administration of natural astaxanthin increases serum HDL-cholesterol and adiponectin in subjects with mild hyperlipidemia
PubMed ID: 19892350
Increased adiponectin and improved lipids suggest anti‑inflammatory/metabolic modulation in mild hyperlipidemia.
- The antioxidant and anti-inflammatory effects of astaxanthin supplementation on the expression of miR-146a and miR-126 in patients with type 2 diabetes mellitus: A randomised, double-blind, placebo-controlled clinical trial
PubMed ID: 33445213
8 mg/day lowered IL-6 and MDA and downregulated pro-inflammatory miR-146a in T2DM patients—direct anti-inflammatory biomarker changes.
- The Beneficial Effects of Astaxanthin on Glucose Metabolism and Modified Low-Density Lipoprotein in Healthy Volunteers and Subjects with Prediabetes
PubMed ID: 34959932
Reduced oxidized-LDL and improved metabolic markers that can lower inflammatory stress, though direct inflammatory cytokine changes were limited.
- Astaxanthin ameliorates inflammation, oxidative stress, and reproductive outcomes in endometriosis patients undergoing assisted reproduction: A randomized, triple-blind placebo-controlled clinical trial
PubMed ID: 37020589
Astaxanthin reduced multiple pro-inflammatory cytokines (serum and follicular fluid) in endometriosis patients—strong anti-inflammatory signal with clinical reproductive endpoints.
- Astaxanthin supplementation impact on insulin resistance, lipid profile, blood pressure, and oxidative stress in polycystic ovary syndrome patients: A triple-blind randomized clinical trial
PubMed ID: 37874168
Astaxanthin improved oxidative stress and insulin resistance indices in PCOS, with accompanying anti-inflammatory effects.
- A randomized interventional clinical trial assessing the safety and effectiveness of PeaNoc XL tablets in managing joint pain and inflammation in arthritis patients
PubMed ID: 37767025
Combination PEA + astaxanthin reduced TNF-α, IL-6, IL-1β and CRP in arthritis patients, indicating anti-inflammatory action though astaxanthin's isolated role unclear.
- Randomized clinical trial of astaxanthin supplement on serum inflammatory markers and ER stress-apoptosis gene expression in PBMCs of women with PCOS
PubMed ID: 39036884
RCT in PCOS women demonstrated significant reductions in IL-6, IL-18, TNF-α and downregulation of ER-stress/apoptosis genes in immune cells with astaxanthin.
- Astaxanthin treatment decreases pro-inflammatory cytokines and improves reproductive outcomes in patients with polycystic ovary syndrome undergoing assisted reproductive technology: A randomized clinical trial
PubMed ID: 38916710
PCOS infertile women study showed decreases in systemic IL-6 and IL-1β with astaxanthin.
- Astaxanthin supplement improves clinical outcomes, quality of life, and inflammatory factors in patients with rheumatoid arthritis: a randomized clinical trial
PubMed ID: 40569081
RA trial reported reductions in ESR/CRP and disease activity with 20 mg/day astaxanthin.
Immune support (6)
- The antioxidant and anti-inflammatory effects of astaxanthin supplementation on the expression of miR-146a and miR-126 in patients with type 2 diabetes mellitus: A randomised, double-blind, placebo-controlled clinical trial
PubMed ID: 33445213
Decreased IL-6 in T2DM patients, indicating an anti-inflammatory effect relevant to immune balance.
- Astaxanthin ameliorates inflammation, oxidative stress, and reproductive outcomes in endometriosis patients undergoing assisted reproduction: A randomized, triple-blind placebo-controlled clinical trial
PubMed ID: 37020589
Astaxanthin reduced pro-inflammatory cytokines (IL-1β, TNF-α) in serum and follicular fluid—shows anti-inflammatory/immunomodulatory effects in humans.
- Astaxanthin supplementation impact on insulin resistance, lipid profile, blood pressure, and oxidative stress in polycystic ovary syndrome patients: A triple-blind randomized clinical trial
PubMed ID: 37874168
PCOS trial showed antioxidant and metabolic improvements and some anti-inflammatory biomarker changes.
- A randomized interventional clinical trial assessing the safety and effectiveness of PeaNoc XL tablets in managing joint pain and inflammation in arthritis patients
PubMed ID: 37767025
Open-label add-on study (PEA + astaxanthin) reduced proinflammatory cytokines in arthritis patients, though combination limits attribution.
- Randomized clinical trial of astaxanthin supplement on serum inflammatory markers and ER stress-apoptosis gene expression in PBMCs of women with PCOS
PubMed ID: 39036884
RCT in PCOS showed significant reductions in IL-6, IL-18, TNF-α and downregulation of ER-stress/apoptosis genes in PBMCs with astaxanthin.
- Astaxanthin treatment decreases pro-inflammatory cytokines and improves reproductive outcomes in patients with polycystic ovary syndrome undergoing assisted reproductive technology: A randomized clinical trial
PubMed ID: 38916710
PCOS infertile women trial showed lowered systemic IL-6 and IL-1β with astaxanthin and improved ART outcomes.
Metabolism (6)
- Astaxanthin supplementation enhances metabolic adaptation with aerobic training in the elderly
PubMed ID: 34110707
Astaxanthin combined with aerobic training increased fat oxidation and exercise efficiency—favorable for metabolic health over time.
- Astaxanthin Supplemented with High-Intensity Functional Training Decreases Adipokines Levels and Cardiovascular Risk Factors in Men with Obesity
PubMed ID: 36678157
Obese men undergoing CrossFit plus astaxanthin had greater improvements in body composition, lipids and adipokines than exercise or supplement alone (combined intervention).
- Administration of natural astaxanthin increases serum HDL-cholesterol and adiponectin in subjects with mild hyperlipidemia
PubMed ID: 19892350
Dose‑response RCT demonstrated decreases in triglycerides and increases in HDL and adiponectin in mild hyperlipidemia — strong metabolic signals.
- Astaxanthin improves glucose metabolism and reduces blood pressure in patients with type 2 diabetes mellitus
PubMed ID: 29384321
8 mg/day in T2DM raised adiponectin, reduced visceral fat and triglycerides and lowered fructosamine—direct metabolic improvements in patients.
- The Beneficial Effects of Astaxanthin on Glucose Metabolism and Modified Low-Density Lipoprotein in Healthy Volunteers and Subjects with Prediabetes
PubMed ID: 34959932
12 mg/day for 12 weeks improved 2-h OGTT glucose, lowered 2-h insulin and modestly reduced HbA1c, and improved insulin sensitivity indices in humans.
- Astaxanthin supplementation impact on insulin resistance, lipid profile, blood pressure, and oxidative stress in polycystic ovary syndrome patients: A triple-blind randomized clinical trial
PubMed ID: 37874168
Triple-blind RCT in PCOS showed significant improvements in fasting glucose, HOMA-IR and insulin with astaxanthin.
Fertility (6)
- Astaxanthin treatment ameliorates ER stress in polycystic ovary syndrome patients: a randomized clinical trial
PubMed ID: 36854788
Astaxanthin before ART in PCOS reduced ER-stress markers and increased follicular TAC and high-quality embryo rate in a randomized trial.
- Astaxanthin improves assisted reproductive technology outcomes in poor ovarian responders through alleviating oxidative stress, inflammation, and apoptosis: a randomized clinical trial
PubMed ID: 39482765
Triple-blind RCT in poor ovarian responders showed improved serum antioxidant markers, reduced follicular inflammation/cfDNA, and increased retrieved MII oocytes and high-quality embryos with astaxanthin.
- Astaxanthin treatment decreases pro-inflammatory cytokines and improves reproductive outcomes in patients with polycystic ovary syndrome undergoing assisted reproductive technology: A randomized clinical trial
PubMed ID: 38916710
PCOS infertile women given astaxanthin had lower systemic inflammation and higher oocyte retrieval and MII counts during ART.
- Combined conventional/antioxidant "Astaxanthin" treatment for male infertility: a double blind, randomized trial
PubMed ID: 16110353
Randomized trial in men showed reduced sperm oxidative stress, improved motility and a large increase in pregnancy rates with 16 mg/day.
- Astaxanthin ameliorates inflammation, oxidative stress, and reproductive outcomes in endometriosis patients undergoing assisted reproduction: A randomized, triple-blind placebo-controlled clinical trial
PubMed ID: 37020589
6 mg/day for 12 weeks reduced oxidative/inflammatory markers and increased oocyte yield and high-quality embryos in women with endometriosis undergoing ART.
- Astaxanthin supplementation impact on insulin resistance, lipid profile, blood pressure, and oxidative stress in polycystic ovary syndrome patients: A triple-blind randomized clinical trial
PubMed ID: 37874168
PCOS trial improved glucose metabolism and oxidative stress markers; relevant to reproductive/metabolic health though ART outcomes less emphasized.
Healthy aging (5)
- Improvement of Executive Function after Short-Term Administration of an Antioxidants Mix Containing Bacopa, Lycopene, Astaxanthin and Vitamin B12: The BLAtwelve Study
PubMed ID: 33375429
Antioxidant mix including astaxanthin markedly improved executive function and lowered oxidative markers in older adults—supports cognitive aspects of healthy aging (multi-ingredient).
- An Examination into the Effects of a Nutraceutical Supplement on Cognition, Stress, Eye Health, and Skin Satisfaction in Adults with Self-Reported Cognitive Complaints: A Randomized, Double-Blind, Placebo-Controlled Trial
PubMed ID: 38892705
Nutraceutical trial in adults with subjective memory complaints improved episodic memory and increased BDNF; astaxanthin was part of a combination product.
- Carotenoids in Age-related Maculopathy Italian Study (CARMIS): two-year results of a randomized study
PubMed ID: 22009916
Long‑term combination supplement (including astaxanthin) stabilized/improved visual function in age‑related maculopathy, supporting age‑related benefit though multi‑nutrient.
- Cosmetic benefits of astaxanthin on humans subjects
PubMed ID: 22428137
Multiple small trials report improved skin wrinkles and elasticity with oral/topical astaxanthin, relevant to aging appearance.
- Markers of Hypoxia and Oxidative Stress in Aging Volunteers Ingesting Lycosomal Formulation of Dark Chocolate Containing Astaxanthin
PubMed ID: 30379308
Increased tissue oxygenation and reduced oxidative damage with enhanced astaxanthin bioavailability—mechanisms relevant to aging resilience (small human groups).
Heart health (5)
- Impact of astaxanthin on oxidative markers, uric acid, and clinical symptoms in heart failure: a randomized clinical trial
PubMed ID: 41162864
Randomized trial in heart-failure patients (20 mg/day) showed large antioxidant improvements and marked symptom (fatigue/dyspnea) reductions, directly relevant to cardiac patients.
- The Beneficial Effects of Astaxanthin on Glucose Metabolism and Modified Low-Density Lipoprotein in Healthy Volunteers and Subjects with Prediabetes
PubMed ID: 34959932
12 mg/day improved endothelial index (RHI) and reduced oxidized-LDL and post-load insulin/glucose—supports vascular health in humans.
- Astaxanthin Supplemented with High-Intensity Functional Training Decreases Adipokines Levels and Cardiovascular Risk Factors in Men with Obesity
PubMed ID: 36678157
Obese men on CrossFit + astaxanthin had favorable lipid profile changes (↑HDL, ↓LDL/TC/TG) that benefit cardiovascular risk, though combined intervention complicates attribution.
- Markers of Hypoxia and Oxidative Stress in Aging Volunteers Ingesting Lycosomal Formulation of Dark Chocolate Containing Astaxanthin
PubMed ID: 30379308
Astaxanthin (especially lycosome formulation) increased tissue oxygen saturation and serum NO while reducing oxidized LDL—mechanistic support for circulation (small groups).
- Administration of natural astaxanthin increases serum HDL-cholesterol and adiponectin in subjects with mild hyperlipidemia
PubMed ID: 19892350
Dose-ranging RCT showed reductions in triglycerides, increases in HDL and rises in adiponectin in mild hyperlipidemia — relevant to cardiovascular risk/circulation.
Vitality (4)
- Combined conventional/antioxidant "Astaxanthin" treatment for male infertility: a double blind, randomized trial
PubMed ID: 16110353
Improved sperm function and higher pregnancy rates could reflect improved reproductive vitality in treated men.
- The Beneficial Effects of Astaxanthin on Glucose Metabolism and Modified Low-Density Lipoprotein in Healthy Volunteers and Subjects with Prediabetes
PubMed ID: 34959932
Improved glucose tolerance, insulin dynamics and endothelial index over 12 weeks—metabolic improvements that can enhance overall vigor.
- Astaxanthin supplementation enhances metabolic adaptation with aerobic training in the elderly
PubMed ID: 34110707
When combined with aerobic training, astaxanthin increased fat oxidation and efficiency in older adults—boosts functional vitality with exercise.
- Impact of astaxanthin on oxidative markers, uric acid, and clinical symptoms in heart failure: a randomized clinical trial
PubMed ID: 41162864
Heart-failure RCT reported large reductions in fatigue severity alongside antioxidant improvements, indicating meaningful vitality benefits.
Energy & Fatigue (4)
- Markers of Hypoxia and Oxidative Stress in Aging Volunteers Ingesting Lycosomal Formulation of Dark Chocolate Containing Astaxanthin
PubMed ID: 30379308
Marked increases in tissue oxygen saturation and serum astaxanthin (lycosome formulation) suggest improved oxygen delivery and cellular energetics (small study).
- Effect of astaxanthin supplementation on muscle damage and oxidative stress markers in elite young soccer players
PubMed ID: 22828460
Lower postexercise muscle enzymes and preserved antioxidant status in soccer players may reduce fatigue/strain.
- Impact of astaxanthin on oxidative markers, uric acid, and clinical symptoms in heart failure: a randomized clinical trial
PubMed ID: 41162864
Marked reduction in fatigue severity score in heart-failure patients (20 mg/day) supports reduced fatigue under stressed conditions.
- Astaxanthin supplementation enhances metabolic adaptation with aerobic training in the elderly
PubMed ID: 34110707
Astaxanthin plus training increased fat oxidation and exercise efficiency in older adults, indicating improved cellular energy utilization during exercise.
Endurance (4)
- Astaxanthin supplementation enhances metabolic adaptation with aerobic training in the elderly
PubMed ID: 34110707
Enhanced fat oxidation and exercise efficiency with training in older adults implies improved endurance capacity over time (12-week adjunct study).
- Effect of astaxanthin supplementation on muscle damage and oxidative stress markers in elite young soccer players
PubMed ID: 22828460
Elite soccer players showed less exercise‑related enzyme release and preserved antioxidant status, supportive of endurance resilience.
- Astaxanthin Supplemented with High-Intensity Functional Training Decreases Adipokines Levels and Cardiovascular Risk Factors in Men with Obesity
PubMed ID: 36678157
Combined intervention improved body composition and muscle-related adipokines; may support endurance when paired with training.
- Exploring the Impact of Astaxanthin Supplementation in Conjunction with a 12-Week CrossFit Training Regimen on Selected Adipo-Myokines Levels in Obese Males
PubMed ID: 39275173
CrossFit + astaxanthin led to increases in decorin/follistatin and decreases in myostatin/activin/TGF-β1, biomarker changes consistent with improved muscle capacity/endurance.
Skin health (4)
- Cosmetic benefits of astaxanthin on humans subjects
PubMed ID: 22428137
Small human trials (oral ± topical 6 mg/day) reported improvements in wrinkles, elasticity and hydration measures.
- Markers of Hypoxia and Oxidative Stress in Aging Volunteers Ingesting Lycosomal Formulation of Dark Chocolate Containing Astaxanthin
PubMed ID: 30379308
Improved oxidative stress markers with enhanced astaxanthin bioavailability may benefit skin health indirectly (small, combined product).
- The effectiveness of a standardized rose hip powder, containing seeds and shells of Rosa canina, on cell longevity, skin wrinkles, moisture, and elasticity
PubMed ID: 26604725
Small RCT showed astaxanthin improved wrinkle depth, moisture and elasticity over 8 weeks (human randomized double‑blind trial).
- Supplementating with dietary astaxanthin combined with collagen hydrolysate improves facial elasticity and decreases matrix metalloproteinase-1 and -12 expression: a comparative study with placebo
PubMed ID: 24955642
Combination of astaxanthin (2 mg) with collagen improved facial elasticity and barrier function; attribution to astaxanthin alone limited.
Eye health (3)
- Carotenoids in Age-related Maculopathy Italian Study (CARMIS): two-year results of a randomized study
PubMed ID: 22009916
A 2‑year lutein/zeaxanthin/astaxanthin-containing supplement stabilized/improved visual function in age‑related maculopathy; astaxanthin attribution uncertain.
- Astaxanthin (AstaReal(®)) Improved Acute and Chronic Digital Eye Strain in Children: A Randomized Double-Blind Placebo-Controlled Trial
PubMed ID: 40014233
Pediatric RCT (4 mg/day) showed reduced digital eye strain symptoms and improved objective visual measures and stereopsis vs placebo.
- Effects of Astaxanthin, Lutein, and Zeaxanthin on Eye-Hand Coordination and Smooth-Pursuit Eye Movement after Visual Display Terminal Operation in Healthy Subjects: A Randomized, Double-Blind Placebo-Controlled Intergroup Trial
PubMed ID: 36986186
Astaxanthin + lutein/zeaxanthin improved post-VDT eye–hand coordination and increased MPOD; effects likely aided by combination but clinically relevant improvements seen.
Joint comfort (3)
- A Multicenter, Randomized, Double-Blinded, Placebo-Controlled Clinical Trial to Evaluate the Efficacy and Safety of a Krill Oil, Astaxanthin, and Oral Hyaluronic Acid Complex on Joint Health in People with Mild Osteoarthritis
PubMed ID: 37686801
12-week randomized trial of a krill-oil/astaxanthin/HA product reduced knee pain and improved function vs placebo, though multi-ingredient limits attribution to astaxanthin alone.
- A randomized interventional clinical trial assessing the safety and effectiveness of PeaNoc XL tablets in managing joint pain and inflammation in arthritis patients
PubMed ID: 37767025
PEA + astaxanthin added to standard therapy in arthritis reduced inflammatory markers and WOMAC scores; astaxanthin contribution unclear.
- Astaxanthin supplement improves clinical outcomes, quality of life, and inflammatory factors in patients with rheumatoid arthritis: a randomized clinical trial
PubMed ID: 40569081
20 mg/day astaxanthin for 8 weeks improved disease activity and function in rheumatoid arthritis patients in an RCT.
Skin appearance (3)
- The effectiveness of a standardized rose hip powder, containing seeds and shells of Rosa canina, on cell longevity, skin wrinkles, moisture, and elasticity
PubMed ID: 26604725
RCT showed significant increases in skin elasticity (Corneometer/elasticity metrics) after 8 weeks of astaxanthin (human trial).
- Cosmetic benefits of astaxanthin on humans subjects
PubMed ID: 22428137
Clinical trials reported improved skin elasticity with oral/topical astaxanthin.
- Supplementating with dietary astaxanthin combined with collagen hydrolysate improves facial elasticity and decreases matrix metalloproteinase-1 and -12 expression: a comparative study with placebo
PubMed ID: 24955642
Astaxanthin plus collagen improved skin elasticity and molecular markers versus placebo, though product was combined.
Mental clarity (2)
- Improvement of Executive Function after Short-Term Administration of an Antioxidants Mix Containing Bacopa, Lycopene, Astaxanthin and Vitamin B12: The BLAtwelve Study
PubMed ID: 33375429
Antioxidant mix including astaxanthin improved executive function tests in older adults, but contribution of astaxanthin alone is uncertain.
- An Examination into the Effects of a Nutraceutical Supplement on Cognition, Stress, Eye Health, and Skin Satisfaction in Adults with Self-Reported Cognitive Complaints: A Randomized, Double-Blind, Placebo-Controlled Trial
PubMed ID: 38892705
12-week nutraceutical improved episodic memory and increased BDNF in adults with subjective memory complaints; astaxanthin was a component of the blend.
Blood circulation (2)
- Markers of Hypoxia and Oxidative Stress in Aging Volunteers Ingesting Lycosomal Formulation of Dark Chocolate Containing Astaxanthin
PubMed ID: 30379308
Marked increases in tissue oxygen saturation and serum NO with astaxanthin-containing lycosome chocolate indicate improved microcirculatory/flow parameters (small study).
- The Beneficial Effects of Astaxanthin on Glucose Metabolism and Modified Low-Density Lipoprotein in Healthy Volunteers and Subjects with Prediabetes
PubMed ID: 34959932
Improved reactive hyperemia index (RHI) after 12 mg/day suggests better endothelial-mediated blood flow (human RCT).
Exercise recovery (2)
- Astaxanthin supplementation enhances metabolic adaptation with aerobic training in the elderly
PubMed ID: 34110707
With endurance training, astaxanthin increased fat oxidation and efficiency in older adults—may aid recovery/adaptation (human RCT adjunctive to training).
- Effect of astaxanthin supplementation on muscle damage and oxidative stress markers in elite young soccer players
PubMed ID: 22828460
Soccer players showed reduced postexercise CK/AST and preserved antioxidant status, supporting faster biochemical recovery.
Similar by evidence
Supplements the same benefits carry qualifying findings for — a fact about the evidence graph, not a recommendation to swap.
Products with Astaxanthin
Search all2001 products whose verified label declares Astaxanthin — not every bottle that mentions it in a title.
Being studied right now
Recruiting clinical trials registered on ClinicalTrials.gov. A trial in progress has no result yet — this is what the field is asking, not what it found.