Since 1947 Naturally Sourced Gluten Wheat & Dairy Free Dietary Supplement Vitamin E is an essential nutrient and is the body s primary fat-soluble antioxidant. Vitamin E provides nutritional support for the immune system. As an antioxidant Vitamin E helps fight free radicals in the body. Free radicals can cause oxidative stress which may damage cells. This formulation provides naturally sourced Vitamin E as d-Alpha Tocopherol and mixed Tocopherols including d-Gamma d-Delta and d-Beta Tocopherols. It is offered in oil-based softgels to promote optimal absorption and assimilation. This product contains 670 mg of Vitamin E. This can also be measured as 1000 IU.