Muscle-UP Powder Supplement Vitamin & mineral equine muscle-building supplement. Muscle-UP Supplement contains: 1000 mg Gamma Oryzanol 1000 mg Creatine 500 mg DMG 875 IU vitamin E per oz Directions for dosing and maintenance of Muscle-UP: Feed 2 Tbsp daily for 14 days, then 1 Tbsp daily as a maintenance dose. (Or as directed by your Vet.) View manufacturer and/or label information.