NOW Sun-E 400 is a soy-free, natural vitamin E derived from Identity Preserved (IP), non-GMO sunflower seed oil. Vitamin E is a major fat-soluble antioxidant that is particularly important for maintaining cellular health by neutralizing free radicals formed through normal metabolic processes, as well as through environmental exposures.* In addition to its antioxidant activities, vitamin E is also vital for a normal immune function and for maintenance of a healthy vascular system.*Natural color variation may occur in this product. Sun E 900 is a registered trademark of Nutralliance/Advanced Organic Materials, S.A.