There are 8 isoforms of vitamin E with gamma tocopherol being one of them. Like all forms of vitamin E, gamma tocopherol possesses lipid peroxidation preventing properties on account of its antioxidant effects. In particular, gamma tocopherol accumulates in cell membranes where it prevents damage to the fatty acids that make up the phospholipids in the membrane, thus protecting the integrity of the cells. Gamma tocopherol may be particularly suited to preventing oxidation of the cell membranes from the peroxynitrite radical, which may confer upon it some specific antioxidant properties. Alpha tocopherol in high concentrations in the diet may interfere with gamma tocopherol absorption and tissue distribution, so it is important that intakes are balanced and that all of the isoforms of vitamin E are consumed. The best way to obtain vitamin E is therefore in the diet, as plant foods contain the isoforms in mixed amounts and in ratios that are able to provide all of the vitamin E needs of humans.
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