Vitamin E is a term used to refer to eight molecules, which are divided into two categories: Tocopherol and tocotrienols. Each category is further divided up into alpha (α), beta (β), gamma (γ), and delta (δ) vitamins. The vitamin α-Tocopherol is considered to be the ‘main’ vitamin. Vitamin E was one of the first two antioxidant compounds to be sold as dietary supplements, the second being vitamin C. It is sometimes used as the ‘reference’ antioxidant compound when fat soluble compounds are being researched. Vitamin E may function as a signaling molecule within cells and for phosphate groups. Vitamin E is an antioxidant. It may help protect your cells from damage. This essential nutrient occurs naturally in many foods. It’s also available as a dietary supplement. Sometimes, it’s in processed foods. Vitamin E is fat-soluble. This means your body stores and uses it as needed.