GNC Amp Mass Xxx Gainer Powder|Boosts Lean Muscle Gains|Amps Up Workout Results|50G Protein|10G Bcaa|127.5 G Carbs|3G CreatineGNC AMP Mass XXX is a science based gainer supplement. It has the right balance of carbs, high quality protein, and other nutrients to help achieve maximum gains. The foundation of Amplified Mass XXX provides a ration of nutrients that helps accelerate increases in lean mass and exercise performance. Micronized amino acids are one which are pulverized into small particles to facilitate faster absorption. These key amino acids including glutamine,