Why Your Body Needs All The Antioxidants It Can Get - Antioxidants are your body's number one natural defense against the harmful effects of the aging process. Antioxidants are naturally occurring organic compounds that can be found especially in Vitamins A, C, and E. A healthy balanced diet of greens and fruits is an excellent way to get plenty of these natural antioxidants into your system. The most important feature associated with these important compounds is that they help to retard the progress of free radicals in your system. Free radicals are natural enemies of your body that cause cellular decay, thus speeding up your body's aging process.