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The most important function of antioxidants is to minimize and even prevent the oxidation caused by free radicals throughout the body. The free radicals become unstable and react with other compounds in an effort to become stabilized. In the process they damage normal body tissues, DNA and your immune system. Free radicals are believed to play a role in more than sixty different health conditions, including the aging process, cancer, and atherosclerosis. Many experts believe this damage caused by free radicals may be reduced or prevented by the regular consumption of antioxidants. Some sources of free radicals are x-rays, sun exposure, automobile exhaust, heavy metals, cigarette smoke, alcohol, and exercise.
Antioxidants can help to neutralize the activity of free radicals. Antioxidants are found naturally in foods that are high in beta carotene, such as carrots, and many cruciferous vegetables. Because it is difficult to maintain a daily diet that provides sufficient antioxidants, many people choose to add antioxidant supplements to their diets. The antioxidants that interfere with damaging free radicals are Vitamin C, Vitamin E, and Beta Carotene. Other supplements with antioxidants properties are selenium, lutein, lycopene, vitamin B3, vitamin B2, vitamin B6, coenzyme Q10, and cysteine. Herbs, such as bilberry, turmeric (curcumin), grape seed or pine bark extracts, and ginkgo biloba can also provide powerful antioxidant protection for the body.