NOW® Sun-E™ 400 is a soy-free, 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 normal immune function and for maintenance of a healthy vascular system.