Vitamin E - This is the only pure vitamin E in the U.S, therefore it is the only safe Vitamin E. Provides full antioxidant protection against harmful free radicals. This vitamin E will not go rancid. This is a mixed tocopherol concentrate. Originally this product was only sold to physicians. Dr. Maclean says that if he could not get Unique E, he would not take any vitamin E at all. Recommended one gel cap (400 i.u.) for every 40 lbs. of body weight. For best absorption take vitamin E with selenium.