Bilberry Extract
herbs
Bilberry extract is derived from the European blueberry and is rich in anthocyanins, powerful antioxidants that support eye health and vision. Traditionally used in herbal medicine, it may help reduce eye strain, improve night vision, and support overall ocular function. The extract has been studied for its potential cardiovascular and anti-inflammatory benefits.
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Benefits
Dosage
Typical Dose
80-160 mg standardised extract (25% anthocyanins) daily
Upper Limit
480 mg daily in divided doses
Timing
With meals for optimal absorption
Forms & Bioavailability
Standardised extract capsules
High when standardised to 25% anthocyanins; enhanced with food
Powder
Moderate; variable depending on standardisation level
Liquid extract
Good; rapid absorption
Side Effects
Interactions
Research Summary
Clinical studies demonstrate that bilberry anthocyanins improve visual acuity and reduce eye strain in users, particularly those with prolonged screen exposure. Research supports its traditional use for enhancing night vision adaptation and protecting against age-related macular degeneration. Evidence suggests beneficial effects on endothelial function and microvascular blood flow, though large-scale human trials remain limited.
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The Bottom Line on Bilberry Extract
Bilberry Extract is well-researched with strong evidence supporting its primary benefits.It is most commonly used for supports eye health and vision clarity and reduces eye fatigue and strain. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.
About Our Research
This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.
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Goal Guides for Bilberry Extract
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