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Lutein with OptiLut ® INGREDIENTS

INGREDIENTS Doctor’s Best Lutein features Marigold extract, a potent source of lutein standardized to contain 90% lutein esters. Marigold flowers are the most abundant source of lutein in nature. An oral bioavailability study of lutein that examined two formulations discovered that the lutein ester formulation was nearly 62% more bioavailable than the nonesterified form of lutein.1 Lutein and zeaxanthin are yellow pigments in a class of carotenoids called xanthophylls. Since the human body does not synthesize them, we rely on dietary sources for these carotenoids.2 The average American consumes only 2 mg per day of lutein & zeaxanthin (the best sources are dark leafy-greens like spinach, collards, and kale, in addition to certain yellow-orange fruits & vegetables).3 Lutein, and zeaxanthin (a xanthophyll believed to be derived from a photochemical transformation of lutein) are referred to as “the macular pigments,” as they are the only carotenoids found in the lens and macular tissue in the human eye retina.4