Claroxan's unique formula offers you powerful antioxidants combined with vitamins A, C, and E and infused with bilberry, lutein, and zeaxanthin. These are included in optimum strengths designed to aid in the fight against free radical damage. Bilberry is part of the same plant family as blueberries and cranberries and is popularly used for maintaining healthy vision. It contains anthocyanosides, which are powerful antioxidants that appear to fortify blood vessel walls, improving blood flow to the tiny blood vessels that keep eyes healthy, as well as to larger blood vessels that help maintain good circulation throughout the body. We're sure you'll find the formulation best suited for your needs.