This formula is a synergistic blend of herbs to help with the healthy circulation to the eye. This formula helps promote blood circulation to the eyes helping to repair damaged vessels, improve night vision, cleanse the tissues and bring antioxidants to the eye. Bilberries a close relative of blueberries, are high in a bioflavonoid complex known as anthocyanosides. Anthocyanosides speed the regeneration of rhodopsin, the purple pigment that is used by the rods in the eye for night vision. This makes bilberry a possible first line of defense for those with poor night vision. This formula contains Bilberry, Eyebright, Ginkgo Biloba Leaves & Cayenne Pepper. All encapsulated products are in a pure 100% vegetable based capsule.