“In a stable molecule, the core is surrounded by pairs of negative charges, called electrons. Remove one electron of a pair (a process called oxidation) and the molecule becomes unstable and, possibly destructive…Obsessed to recapture balance, the free radical awaits another collision to recapture the lost electron” (-Laura Pawlak, A Perfect 10).
Oxidation reactions (that happen from such things as exposure to environmental toxins or excess sun, eating food with added chemicals or excessive amounts, or even as a part of normal metabolism) can produce these free radicals, which start chain reactions that damage cells, and is thought to contribute to the development of a wide range of diseases.
Antioxidants reinstate the free radical back to electron balance, by binding together with and inactivating it.
From my reading, the best sources of antioxidants are whole grains, fruits, and vegetables (especially those that are highly colored), with high levels of beta-carotene, selenium, zinc, Vitamin A, C, and E.
["One vitamin E molecule can disarm up to 1000 free radicals.” Somer, E, The Essential Guide to Vitamins and Minerals, Harper Collins, NY, 1995].
A friendly reminder: Supplements are supplemental: pills and powders are not substitutes for eating good food, but rather a second-line of defense (that work best, even then, when swallowed with plant food).
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