Powerful antioxidant Vitamin E possesses excellent antioxidant activity and has been shown to be one of the best antioxidant nutrients for protecting against the damaging effects of free radicals. Helps maintain a healthy heart and circulation. Helps to maintain a healthy immune system, particularly in the elderly. Natural source Vitamin E is more active and better absorbed by the body than the synthetic form. -Vitamin E is a powerful antioxidant and has many functions in the body including maintaining healthy blood, tissues and cells.