Dietary Supplement This northern shrub with berries similar to blueberries has traditionally been used to reduce eyestrain and support proper visual functions.* It supports circulatory and vascular function by helping to synthesize compounds that maintain artery walls.* Our Bilberry is standardized to yield 20 mg Anthocyanosides per capsule. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.