Lutein is a dietary supplement that contains lutein capsules, which, among other things, support vision. Lutein is a natural carotenoid pigment derived from the marigold plant and is stored in the macula of the eye. Lutein is a product recommended for individuals who work long hours with artificial light and on the computer. In addition to lutein, the supplement contains zinc and Vitamin A, which contribute to the maintenance of normal vision. Each capsule contains up to 125 mg of marigold flower extract.