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 Ingredients: DL-Alphaotocopheryl Acetate (Vitamin E), Preserved with Ascorbic Acid (Vitamin C), Sodium Selenite, Magnesium Oxide and Wheat Middlings. ? Guaranteed Analysis per ounce: Vitamin E - 1,000 mg Vitamin C - 1,500 mg Selenium - 1 mg Magnesium - 3,000 mcg Search_Phrases: Equine,Equine Supplements,Animal,Equine Products,Dry Supplements,Kentucky Performance Prod,Myo Guard 20 Lb