Description Closely related to the blueberry, bilberry is a shrubby perennial bush that grows in the forests and on the moors of northern Europe.

The main active ingredients are anthocyanins, chemical compounds with antioxidant and anti-inflammatory properties.

Function/ Used for Bilberry is widely used for supporting eye health. The antioxidant anthocyanidin compounds protect blood vessels, including the capillaries which help deliver oxygen rich blood to the eyes.
Intake N/A
As a supplement Bilberry is generally available as fresh or dried berries; and as bilberry extract usually standardised to 25% anthocyanidin.

Dose: 160-480mg daily.1

Tablets providing 50-120mg of anthocyanins per day have been typically used in clinical trials2.

Found in (dietary sources) N/A
Deficiency N/A
Precautions and contraindications Very high doses should be avoided in patients with haemorrhagic (bleeding) disorders.
Use in pregnancy and breastfeeding There is no evidence of adverse effects in pregnancy when consumed in dietary amounts, however safety is not known when used in larger quantities.
Interactions e.g. with other medications Warfarin and other anti-coagulant and anti-platelet (blood thinning) medication.3
Adverse effects None known
References 1 Williamson, E. M. Potter’s Herbal Cyclopaedia. C.W. Daniel Co Ltd. 2003

2 Mills, S. & Bone, K. Principles and practice of phytotherapy. Churchill Livingstone, 2000.

3 Braun & Cohen. Herbs and Natural Supplements: An evidence-based guide. Churchill Livingstone, 2005.