DESC: Finest Natural-Source Vitamin E Twice as Active Dietary Supplement Independently assayed to guarantee 100% potency, 100% natural-source vitamin E. Vitamin E is an essential nutrient and important antioxidant that promotes a healthy heart and cardiovascular system to help maintain your good health. d-Alpha Gems is Natural-source Vitamin E derived from soybean oil, which has been highly concentrated to remove impurities. d-Alpha Gems is so pure it is considered soy-free. d-Alpha Gems are twice as active as synthetic Vitamin E, inside our bodies.