Solaray - Vitamin E 400 IU - 100 Softgels Solaray Vitamin E 400 IU is derived exclusively from 100% natural unesterified d-alpha tocopherol in a base of mixed tocopherols of d-beta d-gamma and d-delta. Solaray Vitamin E provides antioxidant activity. What is Vitamin E?Vitamin E is an antioxidant