Bilberry is a small, dark blue berry that grows wild in northern European forests. It has been used medicinally for centuries, particularly for eye and vascular issues.

Traditional use

European herbalists used bilberry for diarrhea, scurvy, and eye problems. WWII pilots reportedly ate bilberry jam to improve night vision.

What modern research suggests (Well-supported)

Clinical studies support bilberry extract for reducing eye fatigue, improving night vision, and supporting retinal health. Also shows benefits for circulation and blood sugar.

How people use it

Standardized extract (80-160mg, 2-3x daily) is most common. Fresh or frozen berries are nutritious. Leaf tea occasionally used (short-term only).

Safety + interactions

Berry extracts are generally safe. Leaf tea should not be used long-term due to potential toxicity. May enhance effects of blood thinners or diabetes drugs—monitor.

May interact with: Blood thinners, Diabetes medications

Name clarity note

Often confused with American blueberry (Vaccinium corymbosum), but bilberry has darker flesh and higher anthocyanin content.

Quality notes

Standardized extracts (25% anthocyanosides) are most studied. Fresh berries are nutritious but less concentrated.

FAQs

Will it really help my night vision?

Some studies show modest improvements in low-light vision and reduced eye fatigue, especially in those with visual strain.

Can I eat regular blueberries instead?

Blueberries are healthy but have lower anthocyanin content than bilberry. Standardized bilberry extracts are more potent.

Community Insights

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Disclaimer: This content is educational and not medical advice. Always consult a qualified healthcare provider before using any herbs or supplements, especially if you are pregnant, nursing, taking medications, or have a medical condition.

Bilberry

At a glance

What it is