bilberry
Evidence status
Limited evidence to recommend for any consumer outcome yet.
11 papers · 1 claim · 35 outcomes scored
Outcomes
What bilberry actually does, by outcome
Each row is one outcome with effect size, evidence base, the dose that worked in trials, and time to first effect. Magnitude tiers come from native-unit MCID where available, Cohen's d otherwise.
| Outcome | Effect | Evidence | Dose | Weeks | Rank |
|---|---|---|---|---|---|
| Reduce screen-time eye strain Not enough research | | 2 RCTs n=177 | 240–480 mg | 8–12 wk | — |
Recommended bilberry products
Real products that dose bilberry where the research does, in a clean formulation, from brands we've audited. We only list ones we'd stand behind.
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Pure Encapsulations
Bilberry 160 mg
Well dosed 640 mg/day A formulaBrand audit 78/100
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Nature's Answer
Bilberry-20 340 mg Alcohol-Free
Well dosed 340 mg/day A formulaBrand audit 75/100
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Life Extension
Eye Pressure Support with Mirtogenol
Well dosed 240 mg/day B formulaBrand audit 90/100
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Puritan's Pride
Bilberry Fruit Extract 1000 mg
Well dosed 500 mg/day A formulaBrand audit 68/100
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SuperSmart
Bilberry Extract 200 mg
Well dosed 200 mg/day A formulaBrand audit 63/100
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Nutricost
Bilberry 500 mg Unflavored
Well dosed 500 mg/day A formulaBrand audit 57/100
Chosen for adequate bilberry dosing vs. the studied range, a clean formulation (grade A–C), and independent brand-quality audits. Not sponsored.
Risk profile
Adverse events and known drug interactions
Safety events
Drug interactions
Co-studied with
Supplements that share evidence with bilberry
Sources
- 1. Bilberry extract supplementation for preventing eye fatigue in video display terminal workers. (2015) ↑
- 2. 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. (2020) ↑
- 3. No Effect of Isolated Anthocyanins from Bilberry Fruit and Black Rice on LDL Cholesterol or other Biomarkers of Cardiovascular Disease in Adults with Elevated Cholesterol: A Randomized, Placebo-Controlled, Cross-Over Trial. (2022) ↑
- 4. Effects of sea buckthorn and bilberry on serum metabolites differ according to baseline metabolic profiles in overweight women: a randomized crossover trial. (2013) ↑
- 5. Effect of bilberry juice on indices of muscle damage and inflammation in runners completing a half-marathon: a randomised, placebo-controlled trial. (2018) ↑
- 6. Antiaging, Brightening, and Antioxidant Efficacy of Fermented Bilberry Extract (Vaccinium myrtillus): A Randomized, Double-Blind, Placebo-Controlled Trial. (2024) ↑
- 7. Consumption of bilberries controls gingival inflammation. (2015) ↑
- 8. Freeze-dried bilberry (Vaccinium myrtillus) dietary supplement improves walking distance and lipids after myocardial infarction: an open-label randomized clinical trial. (2019) ↑
- 9. A single supplement of a standardised bilberry (Vaccinium myrtillus L.) extract (36 % wet weight anthocyanins) modifies glycaemic response in individuals with type 2 diabetes controlled by diet and lifestyle. (2013) ↑
- 10. Anthocyanins, Anthocyanin-Rich Berries, and Cardiovascular Risks: Systematic Review and Meta-Analysis of 44 Randomized Controlled Trials and 15 Prospective Cohort Studies. (2021) ↑
Generated August 14, 2026
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