Plant-based foods deliver vitamin A through carotenoids, especially beta-carotene. Orange-hued produce such as carrots, pumpkin and cantaloupe are often thought of as the best sources, "but dark leafy ...

Kiser: Vitamin A, also known as retinol, is a fat-soluble vitamin needed for human vision. It's transformed within the eye into a derivative called 11-cis-retinal, which is the molecule that allows ...

Vitamin A is an essential nutrient that plays a role in many bodily functions. The fat-soluble vitamin is important for our vision, skin, immune system and more. Also known as retinol, vitamin A is a ...

Diabetic retinopathy is a common complication of diabetes and a leading cause of blindness among the working-age population. A new study in the American Journal of Pathology reports that visual ...

Though you consume most essential nutrients from maintaining a balanced diet, the Western diet lacks some nutrients and minerals. Vitamin B12, iron, an iodine are common vitamin and mineral ...