A supplemental source of natural vitamin e for all classes of horses. Feed daily at a rate of 100-500 iu per 100lb of body weight. The feeding level depends on the type of horse, level of activity, and nutritional and management practices that affect vita. Size is 2 Pound. Dimensions are 3.75 X 3.75 X 4.5 9-Alpha Tocopherol Acetate (Natural Vitamin E) And Dextrose. UPC Code = 180434000224