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