Promotes eye health. * Bilberry is related to the blueberry, and is native to northern Europe, where it is harvested between July and September, when the berries are ripest. Nature's Way uses an extract of bilberry to guarantee 25% anthocyanins, the component of bilberry that has been shown to promote eye health. * This product is Non-GMO Project Verified. Bottles made from 97% post-consumer recycled plastic. Quality Global Sourcing - Bottled and Tested in the USA.