GNC AMP Mass XXX Mass Gainer Protein Powder 50g Protein Targeted Muscle Building and Workout Support Formula with MyoTor, BCAA and Creatine Chocolate 13 Servings

You can get even more out of every workout session when you make GNC AMP Mass XXX with MyoTOR a part of your exercise routine. This protein-packed dietary supplement is clinically proven to help increase lean muscle mass with fewer sets. Enhanced with MyoTOR for improved strength and stamina, plus, a creatine blend to help support athletic performance and muscle protein synthesis, while micronized amino acids support key processes crucial to muscle growth and repair.