Vitamin A helps promote good eyesight, strong |teeth|, and helps keep the skin and |mucous membranes| resistant to ~infection~. Its sources are |liver|, carrots, sweet potatoes, kale, collard greens, turnips, fortified milk, eggs, cheese, and butter. The USRDA for an adult male is 800 Retinol Equivalents (RE), for an adult female 800 RE, for adolescents 800-1,000 RE, and for infants and young children 420-700 RE.
