Bilberry a shrub native to Europe and North America has been used traditionally for centuries to treat the eyes. Modern research links the anthocyanidins in bilberries to improved night vision and enhanced eye health. These naturally occurring anthocyanidins also support capillary circulation and are potent antioxidants. Each capsule of Bilberry extract contains therapeutic levels of high quality bilberry extract standardized to contain 25% anthocyanidins in a base of freeze-dried blueberries.