Lutein is a carotenoid food supplement rich in antioxidants.  Lutein with zeaxanthin supplements are targeted for eye health and age-related macular degeneration.  Lutein esters are commonly found in yellow-orange fruits and vegetables, including squash, peaches, peppers, mangoes, and oranges.  Commercial lutein is mostly derived from marigold flowers.   Antioxidants have disease-fighting properties that protect cells from harmful free radicals.  To learn more about antioxidants,  click here.