(Gateway) The most complete, concentrated, and powerful anti-oxidant blend available. It addresses the needs of older horses, performance horses, and those in need of powerful free radical scavengers. Delivers results through the use of the most effective of anti-oxidants, including vitamin E, selenium, beta carotene, alpha lipoic acid, grape seed extract, superoxide dismutase, and many more. Feed 1 oz. Once or twice daily for best results. Powder.