Antioxidants protect the body against free-radical damage. Free radicals are molecules which are produced through the breakdown of food during digestion, or by environmental exposures such as smoke, pollution, and radiation. Vitamin C supplementation is effective in maintaining immune function and healthy skin, in connective tissue formation, and in the development of bones, cartilage, teeth, and gums. Citrus bioflavonoids are potent antioxidant compounds derived from citrus fruits such as oranges, grapefruits, lemons, and limes, and are enriched with Vitamin C.