Black Currant
13 benefits mapped to clinical evidence across supplements.
Dose per serving from products
39 products in our catalogue print how much Black Currant a serving holds.
Most common: 25 mg to 50 mg, 31% of 39 products.
| Dose per serving | Products |
|---|---|
| 250 mcg to 500 mcg | 8 |
| 500 mcg to 1 mg | 0 |
| 1 mg to 2.5 mg | 0 |
| 2.5 mg to 5 mg | 4 |
| 5 mg to 10 mg | 0 |
| 10 mg to 25 mg | 3 |
| 25 mg to 50 mg | 12 |
| 50 mg to 100 mg | 1 |
| 100 mg to 250 mg | 5 |
| 250 mg to 500 mg | 5 |
| over 500 mg | 1 |
Dose per serving from research
33 study groups in 27 studies say how much Black Currant participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 500 mg to 1 g, 55% of 33 study groups.
| Daily dose | Study groups |
|---|---|
| 250 mg or less | 1 |
| 250 mg to 500 mg | 8 |
| 500 mg to 1 g | 18 |
| 1 g to 2.5 g | 0 |
| 2.5 g to 5 g | 1 |
| 5 g to 10 g | 2 |
| 10 g to 25 g | 0 |
| 25 g to 50 g | 0 |
| 50 g to 100 g | 2 |
| over 100 g | 1 |
Commonly used together
15 of 44 study groups took Black Currant with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Anthocyanins | 11 |
Benefit Evidence
Research sources
Vascular health (4)
- [Comparative study of the effectiveness of continuous or intermittent courses of a phlebotonic drug on venous disorders disclosed or aggravated by oral, estrogen-progesterone contraceptives]
PubMed ID: 1528969
Large trial in women on oral contraceptives showed symptomatic improvement in chronic venous insufficiency—venous vascular benefit.
- Lowering of oxidative stress improves endothelial function in healthy subjects with habitually low intake of fruit and vegetables: a randomized controlled trial of antioxidant- and polyphenol-rich blackcurrant juice
PubMed ID: 24742818
Significant improvement in endothelial function (FMD) and reduced oxidative stress support vascular wellness after high‑polyphenol blackcurrant juice.
- Supplementation with orange and blackcurrant juice, but not vitamin E, improves inflammatory markers in patients with peripheral arterial disease
PubMed ID: 18507878
Decreases in CRP/fibrinogen in PAD patients indicate improved vascular inflammatory profile.
- Purified anthocyanin supplementation improves endothelial function via NO-cGMP activation in hypercholesterolemic individuals
PubMed ID: 21926181
Anthocyanins improved endothelial function (FMD), increased cGMP and improved lipid/inflammatory markers—strong vascular benefit.
Antioxidant (6)
- Blackcurrants shape gut microbiota profile and reduce risk of postmenopausal osteoporosis via the gut-bone axis: Evidence from a pilot randomized controlled trial
PubMed ID: 39019119
Gut microbiota shifts and lowered inflammatory markers support antioxidant/anti‑inflammatory mechanisms.
- Blackcurrants Reduce the Risk of Postmenopausal Osteoporosis: A Pilot Double-Blind, Randomized, Placebo-Controlled Clinical Trial
PubMed ID: 36501004
BC anthocyanins are antioxidant compounds; observed positive bone biomarker effects are consistent with antioxidant/anti‑inflammatory activity.
- Lowering of oxidative stress improves endothelial function in healthy subjects with habitually low intake of fruit and vegetables: a randomized controlled trial of antioxidant- and polyphenol-rich blackcurrant juice
PubMed ID: 24742818
Reduced F2‑isoprostanes and increased plasma vitamin C after blackcurrant juice demonstrate anti‑oxidant/free‑radical effects.
- Consumption of black currants, lingonberries and bilberries increases serum quercetin concentrations
PubMed ID: 12548295
Daily mixed berries raised serum quercetin in older men — increased antioxidant flavonol biomarker.
- A CONSORT-compliant, randomized, double-blind, placebo-controlled pilot trial of purified anthocyanin in patients with nonalcoholic fatty liver disease
PubMed ID: 25997043
Large MPO reduction and improvements in hepatic/inflammatory markers consistent with antioxidant activity.
- Bioavailability of various polyphenols from a diet containing moderate amounts of berries
PubMed ID: 20073463
Moderate daily berry intake (including blackcurrant) increased multiple circulating and urinary polyphenol metabolites — strong biomarker evidence of antioxidant load.
Inflammation (5)
- Blackcurrants shape gut microbiota profile and reduce risk of postmenopausal osteoporosis via the gut-bone axis: Evidence from a pilot randomized controlled trial
PubMed ID: 39019119
High‑dose BC increased Ruminococcus 2 and trended to lower IL‑1β and RANKL—evidence for inflammation‑modulating effects (pilot RCT).
- Effects of a new nutraceutical ingredient on allergen-induced sulphidoleukotrienes production and CD63 expression in allergic subjects
PubMed ID: 18817894
Multi‑extract nutraceutical with blackcurrant significantly inhibited allergen‑induced leukotriene production and basophil activation—strong anti‑inflammatory/allergy biomarker effects.
- A CONSORT-compliant, randomized, double-blind, placebo-controlled pilot trial of purified anthocyanin in patients with nonalcoholic fatty liver disease
PubMed ID: 25997043
Large reductions in MPO and improvements in ALT suggest lowering oxidative/inflammatory stress in NAFLD patients.
- Effect of dietary supplementation with black currant seed oil on the immune response of healthy elderly subjects
PubMed ID: 10500023
Decreased PGE2 production and increased DTH responses indicate modulation of inflammatory pathways in older adults.
- Supplementation with orange and blackcurrant juice, but not vitamin E, improves inflammatory markers in patients with peripheral arterial disease
PubMed ID: 18507878
Orange + blackcurrant juice reduced CRP and fibrinogen in PAD patients — clear anti-inflammatory effect.
Healthy aging (5)
- Blackcurrants shape gut microbiota profile and reduce risk of postmenopausal osteoporosis via the gut-bone axis: Evidence from a pilot randomized controlled trial
PubMed ID: 39019119
Dose‑dependent mitigation of whole‑body BMD loss plus favorable gut microbiota shifts and lower inflammatory trends support healthy aging.
- Blackcurrants Reduce the Risk of Postmenopausal Osteoporosis: A Pilot Double-Blind, Randomized, Placebo-Controlled Clinical Trial
PubMed ID: 36501004
Randomized trial: 6 months BC (784 mg) increased whole‑body BMD and bone formation marker in peri/early postmenopausal women—direct age‑related bone benefit.
- Lowering of oxidative stress improves endothelial function in healthy subjects with habitually low intake of fruit and vegetables: a randomized controlled trial of antioxidant- and polyphenol-rich blackcurrant juice
PubMed ID: 24742818
Six‑week high‑polyphenol blackcurrant juice improved FMD and lowered F2‑isoprostanes—vascular and oxidative markers relevant to healthy aging.
- Effect of dietary supplementation with black currant seed oil on the immune response of healthy elderly subjects
PubMed ID: 10500023
In older adults, black currant seed oil enhanced delayed-type hypersensitivity responses and lowered PGE2, suggesting improved aspects of aging immune function.
- Blackcurrant Supplementation and Habitual Physical Activity Enhance Functional Capacity and Quality of Life in Previously Sedentary Older Women
PubMed ID: 38317475
Improved mobility, sit‑to‑stand and life satisfaction in older sedentary women after BC supplementation + activity—functional aging benefit (confounded).
Blood circulation (3)
- Purified anthocyanin supplementation improves endothelial function via NO-cGMP activation in hypercholesterolemic individuals
PubMed ID: 21926181
Improved FMD and related endothelial biomarkers indicate better macrovascular function and circulation.
- [Comparative study of the effectiveness of continuous or intermittent courses of a phlebotonic drug on venous disorders disclosed or aggravated by oral, estrogen-progesterone contraceptives]
PubMed ID: 1528969
Large randomized study: Ribes nigrum extract reduced pain and edema from venous insufficiency—direct vascular/circulatory benefit.
- Lowering of oxidative stress improves endothelial function in healthy subjects with habitually low intake of fruit and vegetables: a randomized controlled trial of antioxidant- and polyphenol-rich blackcurrant juice
PubMed ID: 24742818
Improved flow‑mediated dilation after high‑polyphenol blackcurrant juice demonstrates better endothelial‑dependent circulation.
Eye health (4)
- Two-year randomized, placebo-controlled study of black currant anthocyanins on visual field in glaucoma
PubMed ID: 22377796
24-month RCT in glaucoma patients slowed visual field loss and increased ocular blood flow—strong ocular benefit.
- A Pilot, Phase II, Observational, Case-Control, 1-Month Study on Asthenopia in Video Terminal Operators without Dry Eye: Contrast Sensitivity and Quality of Life before and after the Oral Consumption of a Fixed Combination of Zinc, L-Carnitine, Extract of Elderberry, Currant and Extract of Eleutherococcus
PubMed ID: 34960000
Multi‑ingredient tablet (contains BC 100 mg) improved contrast sensitivity and reduced computer‑vision symptoms in VDT users—BC may have contributed, but effect cannot be attributed solely to BC.
- Black currant anthocyanins normalized abnormal levels of serum concentrations of endothelin-1 in patients with glaucoma
PubMed ID: 23259919
Long-term anthocyanins normalized endothelin-1 levels in glaucoma patients, implying vascular/ocular effects relevant to eye comfort.
- Effects of black currant anthocyanins on intraocular pressure in healthy volunteers and patients with glaucoma
PubMed ID: 23046438
Oral anthocyanins reduced intraocular pressure in healthy volunteers and glaucoma patients and supported visual field outcomes.
Heart health (3)
- Lowering of oxidative stress improves endothelial function in healthy subjects with habitually low intake of fruit and vegetables: a randomized controlled trial of antioxidant- and polyphenol-rich blackcurrant juice
PubMed ID: 24742818
High‑polyphenol blackcurrant juice increased FMD (endothelial function) and lowered oxidative stress markers in adults—strong cardiovascular surrogate evidence.
- Purified anthocyanin supplementation improves endothelial function via NO-cGMP activation in hypercholesterolemic individuals
PubMed ID: 21926181
Large RCT of purified anthocyanins improved FMD, cGMP and lipid markers—strong endothelial and cardiovascular benefit.
- Supplementation with orange and blackcurrant juice, but not vitamin E, improves inflammatory markers in patients with peripheral arterial disease
PubMed ID: 18507878
Orange+blackcurrant juice reduced CRP and fibrinogen in peripheral arterial disease patients — favorable cardiac/inflammatory profile.
Immune support (2)
- Effect of dietary supplementation with black currant seed oil on the immune response of healthy elderly subjects
PubMed ID: 10500023
Randomized trial in older adults showed enhanced DTH skin responses and reduced PGE2, indicating stronger cellular immune responsiveness.
- Effects of a new nutraceutical ingredient on allergen-induced sulphidoleukotrienes production and CD63 expression in allergic subjects
PubMed ID: 18817894
Nutraceutical including blackcurrant significantly inhibited leukotriene production and basophil activation in allergic patients (clear biomarker effects).
Vitality (2)
- Blackcurrant Supplementation and Habitual Physical Activity Enhance Functional Capacity and Quality of Life in Previously Sedentary Older Women
PubMed ID: 38317475
Marked improvements in walking distance, sit‑to‑stand time and life satisfaction after BC + activity indicate a broad vitality effect (confounded by activity change).
- Lowering of oxidative stress improves endothelial function in healthy subjects with habitually low intake of fruit and vegetables: a randomized controlled trial of antioxidant- and polyphenol-rich blackcurrant juice
PubMed ID: 24742818
Improvements in endothelial function and vitamin C status are consistent with better vascular health and perceived vitality.
Metabolism (1)
- A CONSORT-compliant, randomized, double-blind, placebo-controlled pilot trial of purified anthocyanin in patients with nonalcoholic fatty liver disease
PubMed ID: 25997043
Anthocyanin supplementation in NAFLD improved ALT and 2-hour OGTT glucose, indicating hepatic/metabolic benefits.
Exercise recovery (1)
- Timed consumption of a New Zealand blackcurrant juice support positive affective responses during a self-motivated moderate walking exercise in healthy sedentary adults
PubMed ID: 31375128
Timed blackcurrant juice altered pre/post‑exercise lactate (‑30% post‑exercise) indicating a plausible effect on metabolic recovery and reduced exertional fatigue.
Skin appearance (1)
- A cream containing linoleic acid, 5% dexpanthenol and ceramide in the treatment of atopic dermatitis
PubMed ID: 33865303
Cream containing black currant seed oil improved atopic dermatitis severity compared with urea cream, indicating skin condition benefits that can affect appearance.
Nutrient uptake (1)
- Evaluation of the effect of blackcurrant products on gut microbiota and on markers of risk for colon cancer in humans
PubMed ID: 23674271
Blackcurrant‑containing products increased lactobacilli/bifidobacteria and lowered β‑glucuronidase activity—favorable microbiota changes that can support gut health and nutrient handling.
Similar by evidence
Supplements the same benefits carry qualifying findings for — a fact about the evidence graph, not a recommendation to swap.
Products with Black Currant
Search all258 products whose verified label declares Black Currant — not every bottle that mentions it in a title.