The free radical theory predicts that decreasing the amount of free radical damage and oxidative stress in the body has positive effects on immune function, cognition, inflammation, and cardiovascular disease. Free radicals are reactive oxygen and nitrogen compounds that attack proteins, nucleic acids, and lipids altering cell and tissue function in the body. Studies have established antioxidants, phytochemicals and vitamins help the metabolism fight, reduce and prevent free radical damage delaying the rate of aging and prolonging life (1). Functional foods known to provide these benefits include Vitamin E, Vitamin C, Vitamin A, Copper, Zinc, Magnesium, phytochemicals, polyphenols, and Omega 3 fatty acids. Some food products that deliver good sources of antioxidant vitamins and minerals are green leafy vegetables, green tea, red wine, soybeans, olive oil, citr...
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