Beta-carotene as Preventive against Free Radicals is one of the orange colors found in most green leaves, sweet potatoes, papayas and in other fruits and vegetables that have yellow coloring. Parry Nutraceuticals manufactures Beta-carotene as Preventive against Free Radicals. Parry Nutraceuticals is an ISO 9001 and ISO 14001 certified company that supplies Organic Spirulina, Carotenoids, Natural Lutein, and Natural Mixed Caternoids. Beta-carotene as Preventive against Free Radicals is the most potent precursor to vitamin A, but its conversion to vitamin A in the body is limited by a feedback system. Natural Beta-carotene has two roles in the body, It can be converted into vitamin A, if the body needs it as Vitamin A or Retinol is very important for the eyes and helps in maintaining eye health.