Bilberry
8 benefits mapped to clinical evidence across supplements.
Dose per serving from products
257 products in our catalogue print how much Bilberry a serving holds.
Most common: 50 mg to 100 mg, 26% of 257 products.
| Dose per serving | Products |
|---|---|
| 5 mg or less | 9 |
| 5 mg to 10 mg | 13 |
| 10 mg to 25 mg | 30 |
| 25 mg to 50 mg | 33 |
| 50 mg to 100 mg | 66 |
| 100 mg to 250 mg | 32 |
| 250 mg to 500 mg | 54 |
| 500 mg to 1 g | 12 |
| over 1 g | 8 |
Dose per serving from research
11 study groups in 11 studies say how much Bilberry participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 100 mg to 250 mg, 36% of 11 study groups.
| Daily dose | Study groups |
|---|---|
| 50 mg to 100 mg | 3 |
| 100 mg to 250 mg | 4 |
| 250 mg to 500 mg | 1 |
| 500 mg to 1 g | 0 |
| 1 g to 2.5 g | 0 |
| 2.5 g to 5 g | 0 |
| 5 g to 10 g | 0 |
| 10 g to 25 g | 0 |
| 25 g to 50 g | 1 |
| 50 g to 100 g | 1 |
| 100 g to 250 g | 0 |
| over 250 g | 1 |
Benefit Evidence
Research sources
Inflammation (5)
- A diet high in fatty fish, bilberries and wholegrain products improves markers of endothelial function and inflammation in individuals with impaired glucose metabolism in a randomised controlled trial: the Sysdimet study
PubMed ID: 21870174
HealthyDiet including bilberries decreased hsCRP and endothelial/inflammatory markers.
- A CONSORT-compliant, randomized, double-blind, placebo-controlled pilot trial of purified anthocyanin in patients with nonalcoholic fatty liver disease
PubMed ID: 25997043
Anthocyanins in NAFLD lowered MPO (oxidative/inflammatory marker) and improved ALT, indicating reduced inflammation/oxidative stress.
- Role of a prudent breakfast in improving cardiometabolic risk factors in subjects with hypercholesterolemia: a randomized controlled trial
PubMed ID: 24814382
Nordic-style breakfast including bilberry lowered CRP and TNF-R2 versus control in a 12‑week RCT (bilberry one component).
- Bilberry juice modulates plasma concentration of NF-kappaB related inflammatory markers in subjects at increased risk of CVD
PubMed ID: 20119859
Bilberry juice reduced CRP, IL‑6 and other NF‑κB related cytokines (mixed pattern but overall anti‑inflammatory).
- Efficacy and Safety of Anthocyanin-Rich Extract in Patients with Ulcerative Colitis: A Randomized Controlled Trial
PubMed ID: 39683589
RCT in ulcerative colitis significantly lowered fecal calprotectin (inflammation biomarker).
Heart health (4)
- Polyphenol-rich juices reduce blood pressure measures in a randomised controlled trial in high normal and hypertensive volunteers
PubMed ID: 26227795
Large RCT of polyphenol-rich berry juices (including bilberry) lowered systolic BP—clinically relevant cardiac/vascular effect.
- Purified anthocyanin supplementation improves endothelial function via NO-cGMP activation in hypercholesterolemic individuals
PubMed ID: 21926181
Large RCT in hypercholesterolemia improved endothelial function and favorable HDL/LDL shifts with purified anthocyanins.
- Freeze-dried bilberry (Vaccinium myrtillus) dietary supplement improves walking distance and lipids after myocardial infarction: an open-label randomized clinical trial
PubMed ID: 30803503
Post‑MI trial showed improved 6‑minute walk distance and reduced oxidized LDL with freeze‑dried bilberry.
- Effects of whole grain, fish and bilberries on serum metabolic profile and lipid transfer protein activities: a randomized trial (Sysdimet)
PubMed ID: 24587337
Diet including bilberries increased large HDL particle concentration and HDL size (favorable for heart health) though bilberry was one component.
Blood circulation (4)
- Freeze-dried bilberry (Vaccinium myrtillus) dietary supplement improves walking distance and lipids after myocardial infarction: an open-label randomized clinical trial
PubMed ID: 30803503
Post‑MI trial improved 6‑minute walk distance, indicating better functional circulation/fitness.
- Purified anthocyanin supplementation improves endothelial function via NO-cGMP activation in hypercholesterolemic individuals
PubMed ID: 21926181
Anthocyanins significantly improved flow‑mediated dilation and cGMP in hypercholesterolemic subjects (strong endothelial effect).
- A diet high in fatty fish, bilberries and wholegrain products improves markers of endothelial function and inflammation in individuals with impaired glucose metabolism in a randomised controlled trial: the Sysdimet study
PubMed ID: 21870174
HealthyDiet with bilberries reduced endothelial dysfunction markers (E‑selectin) and hsCRP, supporting vascular health.
- Polyphenol-rich juices reduce blood pressure measures in a randomised controlled trial in high normal and hypertensive volunteers
PubMed ID: 26227795
Systolic BP reduction and reduced BP variability with polyphenol‑rich berry juices supports improved vascular function.
Eye health (4)
- Effects of Macuprev(®) Supplementation in Age-Related Macular Degeneration: A Double-Blind Randomized Morpho-Functional Study Along 6 Months of Follow-Up
PubMed ID: 31243641
Macuprev (contains bilberry anthocyanosides) improved central retinal electrophysiology in intermediate AMD over 6 months.
- A 12-Week-Long Intake of Bilberry Extract (Vaccinium myrtillus L.) Improved Objective Findings of Ciliary Muscle Contraction of the Eye: A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Comparison Trial
PubMed ID: 32106548
Large double‑blind RCT: bilberry extract reduced ciliary‑muscle microfluctuation increases after screen work (objective measure of eye fatigue).
- Effect of fermented bilberry extracts on visual outcomes in eyes with myopia: a prospective, randomized, placebo-controlled study
PubMed ID: 23113643
Fermented bilberry extract increased accommodation amplitude and contrast sensitivity in myopic adults.
- Bilberry extract supplementation for preventing eye fatigue in video display terminal workers
PubMed ID: 25923485
Controlled RCT in VDT workers showed objective CFF improvement and multiple reduced eye‑fatigue symptom scores with bilberry extract.
Cholesterol (3)
- Purified anthocyanin supplementation improves endothelial function via NO-cGMP activation in hypercholesterolemic individuals
PubMed ID: 21926181
Purified anthocyanins increased HDL and lowered LDL in hypercholesterolemic subjects in a 12‑week RCT.
- Effects of whole grain, fish and bilberries on serum metabolic profile and lipid transfer protein activities: a randomized trial (Sysdimet)
PubMed ID: 24587337
Diet including bilberries associated with increased large HDL particle concentration and larger mean HDL particle diameter in people with metabolic risk.
- Effects of sea buckthorn and bilberry on serum metabolites differ according to baseline metabolic profiles in overweight women: a randomized crossover trial
PubMed ID: 23945716
Bilberry produced favorable, baseline‑dependent shifts in lipoprotein subclasses in overweight women.
Antioxidant (3)
- Antiaging, Brightening, and Antioxidant Efficacy of Fermented Bilberry Extract (Vaccinium myrtillus): A Randomized, Double-Blind, Placebo-Controlled Trial
PubMed ID: 39064646
Fermented bilberry increased skin antioxidant capacity alongside skin improvements.
- Influence of Ingesting a Flavonoid-Rich Supplement on the Metabolome and Concentration of Urine Phenolics in Overweight/Obese Women
PubMed ID: 28631923
Flavonoid-rich supplement (including bilberry) increased urine total phenolics and altered plasma metabolites—supports antioxidant exposure/uptake.
- Anthocyanins from fruit juices improve the antioxidant status of healthy young female volunteers without affecting anti-inflammatory parameters: results from the randomised, double-blind, placebo-controlled, cross-over ANTHONIA (ANTHOcyanins in Nutrition Investigation Alliance) study
PubMed ID: 25089359
Anthocyanin‑rich beverages increased antioxidant enzymes and lowered lipid peroxidation in healthy women.
Blood sugar (3)
- Fasting serum hippuric acid is elevated after bilberry (Vaccinium myrtillus) consumption and associates with improvement of fasting glucose levels and insulin secretion in persons at high risk of developing type 2 diabetes
PubMed ID: 28556578
Bilberry diet raised hippuric acid, which correlated with improved fasting glucose and β‑cell function.
- Anti-hyperglycemic effect of Vaccinium arctostaphylos in type 2 diabetic patients: a randomized controlled trial
PubMed ID: 23727759
Vaccinium extract (related species) improved fasting/postprandial glucose and HbA1c in T2D in an RCT.
- A CONSORT-compliant, randomized, double-blind, placebo-controlled pilot trial of purified anthocyanin in patients with nonalcoholic fatty liver disease
PubMed ID: 25997043
Anthocyanins in NAFLD improved 2‑hour OGTT glucose significantly.
Skin health (1)
- Antiaging, Brightening, and Antioxidant Efficacy of Fermented Bilberry Extract (Vaccinium myrtillus): A Randomized, Double-Blind, Placebo-Controlled Trial
PubMed ID: 39064646
Randomized trial: fermented bilberry extract improved wrinkle depth, firmness/elasticity and skin antioxidant capacity over 12 weeks.
Similar by evidence
Supplements the same benefits carry qualifying findings for — a fact about the evidence graph, not a recommendation to swap.
Products with Bilberry
Search all808 products whose verified label declares Bilberry — 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.