Contains only pure vitamin E, nothing else. When your veterinarian recommends that you feed additional amounts of vitamin E, this is the product for you. Provides 14,175 IU of vitamin E per ounce (28,349 IU vitamin E acetate). Feed 5 grams (about 1/5 ounce) daily with feed to provide 2,500 IU, or as directed by your veterinarian or equine nutritionist. Scoop enclosed. Powder.