Bionutri CAROTONE Primary Carotenoids 60 CapsulesThe fundamental role of Carotenoids to good health and human biochemistry cannot be overstated and can be best exemplified by Beta Carotene, the best known carotenoid. Beta Carotene is a source of Vitamin A. But whereas Vitamin A itself can be problematic when taken as a supplement, Beta Carotene is converted to Vitamin A within the body as required and our bodies self regulate its conversion as needed for its contribution to the maintenance of normal