Now Lutein Esters is an effective natural antioxidant source containing Lutein as its most dynamic carotenoid. It is extracted from marigold flowers and has a balanced compound of carotenoids plus Zeaxanthin and Cryptoxanthin. Lutein is essential for a healthy macula, which is the part of the eyes that provides central and high acuity vision. Scientific research also shows that lutein may contribute to the protection of the skin from harmful UV light.