Lutein is a beneficial pigment found in vegetables such as corn, squash and spinach. Studies have shown that lutein may play an important role in maintaining the health of the macula, in the eye. The macula functions in high-acuity vision.* The lutein in this formula is extracted from marigold flowers. Lutein works with antioxidant vitamin C, E and A (as beta carotene) to help maintain eye health.* Other essential nutrients such as copper, selenium and zinc are part of this specialized formula. Gluten free. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.