What is Doctor's Best Lutein with Lutemax?Doctor's Best Lutein maintains healthy visual function, supports macular pigment density and supports cognitive acuity. Doctor's Best Lutein with Lutemax supplies lutein, zeaxanthin, and meso-zeaxanthin, three carotenoid nutrients with clinically proven benefits for vision and eye health. It supplies highly bioavailable, natural source of lutein and zeaxanthin esters. Lutein, zeaxanthin, and meso-zeaxanthin are three of the major carotenoids found in humans, and are highly concentrated in the retina of the human eye. Lutein is a major carotenoid found in human blood, with a high concentration in the retina of the human eye. Lutein, zeaxanthin, and meso-zeaxanthin work synergistically to promote eye health. Lutein, zeaxanthin, and meso-zeaxanthin are also potent free radical neutralizers that contribute to the body's spectrum of antioxidant defenses.