The process of breaking food down into energy involves a chemical reaction called oxidation. Food break down is one of many oxidative processes in our bodies. During this process, molecules called free radicals are produced. Although free radicals are a normal part of the oxidation process, they can damage the membranes of our body’s cells in much the same way that rust damages the body of a car.
To control this process our body produces an antioxidant, called glutathione, in the walls of our cells. Other antioxidants like beta-carotene, selenium and vitamins A, C and E are present in what we eat.
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