Nutraceuticals are genetically engineered crop supplements through DNA recombinant technology to help in health and disease prevention. This term is best reserved to describe the products that are naturally occurring substances (e.g., vitamins, amino acids, herbals) or formulations of these substances. They include vitamin E, vitamin C, coenzyme Q10, carotenoids (beta carotene,lycopene) L-arginine,S-adenosylmethionine, lipoic acid, and flavonoids.
