A supplemental source of vitamins and minerals specially formulated for performance horses. Myo-guard contains a unique blend of antioxidants including natural vitamin e, selenium, and vitamin c. Myo-guard will help horses recover from work sooner and return to feed more quickly. Feed 1 ounce per day mixed in feed. Size is 2 Pound. Dimensions are 6.75 X 6.75 X 6.5 D-Alpha-Tocopherol Acetate (Natural Vitamin E), Preserved With Ascorbic Acid (Vitamin C), Sodium Selenite, Magnesium Oxide And Wheat Middling s. UPC Code = 180434000118