Our Bilberry extract tincture is made from a powder with high strength (25%) anthocyanidins Making it even stronger as an anti-oxidant to protect you against organ damage and disease. It is now mainly used to help improve vision and fight visual impairment. Brought on by macula degeneration, glaucoma, retinitis pigmentosa, cataract and other eye problems; a potent anti-inflammatory herb; improves heart health. This herbal extract is in our SeeMore Tonic, HerbShield, MD Tonic and other tonics, also in our ABC Powder.