Beta-carotene is classified as a carotenoid, a class of phytochemicals. Carotenoids are a group of plant pigments that are the basis for the orange, red, and deep yellow colors of many fruits and vegetables, including carrots. Although there are more than 600 carotenoids found in nature, only about 50 are in the typical human diet. … Continue reading Beta carotene Benefits, Signs of Deficiency and Food Sources