Take your workouts to the next level with Muscle Armor®. Muscle Armor®’s 3 primary ingredients—Revigor®(HMB),L-arginine, and L-glutamine—have been clinically shown to increase muscle strength, mass, and power.*† This post-workout drink formula uses amino acids to help restore muscles, reduce muscle cell damage, and protect against muscle protein breakdown allowing you to get the most out of your workout.