Lutein is a beneficial antioxidant found mostly in leafy green vegetables, and studies have shown that lutein, part of the pigment in the eye, may protect the eye by acting as a filter of harmful light. Derived from marigolds, the 2 mg of lutein in I-Vite tablets joins other important nutrients such as the key antioxidant Vitamins C, E, and A - as beta carotene, along with copper, selenium and zinc to help maintain healthy eyes. Compare to Ocuvite - The No. 1 recommended supplement brand among eye-care professional - Reference: 1. Data on file, Bausch & Lomb Inc. May be used with other nutritional supplements following consultation with your doctor or pharmacist. 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. Adults: One tablet, one or two times daily, or as directed by your doctor. Store at room temperature.