AniMed Muscle-UP Max Performance horse supplements provides a blend of yeast extracts with amino acids and minerals to support normal muscle development and composition while helping to maintain optimal health and physical condition. Powder. Each oz contains 9,150 mg l-lysine, 3,725 mg creatine, 2,000 mg DMG, 1,170 mg l-arginine, 1,040 mg gamma oryzanol, 530 IU vitamin E, 4 ppm selenium, 14 mg chromium, 60 mg calcium, 110 mg l-carnitine and 10.5 mg folic acid. Directions: 1-2 scoops once or twice daily with normal feed ration. 1 oz scoop enclosed. Safe use in pregnant animals or animals intended for breeding has not yet been proven.