Herbs For Horses Antioxidants Plus - 500g powder [~31 days]A potent source of antioxidants for horses! It is formulated for high performance horses in training, competition and in the breeding shed. A major sign that a horse is lacking antioxidants is muscle stiffness after competition or intense training. This product is a super antioxidant formula based on the researched properties of Boswellia, Vitamin C, Natural Vitamin E, Organic Selenium, Turmeric, Gingerols, Milk thistle, Ginkgo biloba. Performance