D-alpha Tocopherol 1310IU is the latest innovation in natural antioxidants. The potency of vitamin E oil is measured in international units (IU), and 1310IU contains 1310 units of tocopherol per 1 gram of oil. In comparison, Vitamin E 700IU contains 700 units. This soy-derived, high tocopherol content antioxidant is 100% natural, non-GMO, 95% pure, and comes in the form of a golden amber yellow viscous oil. It is a potent and widely used skincare ingredient with many benefits.