Antioxidants in Horse Nutrition-Vitamin E  by Karen E. Davison, Ph.D., Manager-Equine Technical Services, Purina Mills, LLC Most people have heard that anti-oxidants, such as vitamin E, are important for health. However, few really know what they are or what they do. Anti-oxidants fight free radicals. So what are free radicals? Healthy cells are made up of molecules [...] ...