50 servings! A MUTANT creation of arginine, citrulline, beta-alanine & more Plus a 500mg 5-caffeine source blend that yields 335mg of net caffeine Drives improved razor sharp focus Arms you for battle against fatigue For your most extreme, highest intensity workouts only Great...

The MUTANT brand is all about gaining rock hard muscle mass — and lots of it! Bodybuilders know that building muscle requires the right combination of protein and nutrients, and that's exactly what MUTANT products deliver. When it comes to weight gainers, MUTANT MASS is in a class of its own. 

mutant pump™ Engineered for uncensored freaky pumps!* Forces thunderously noticeable muscle fullness* Experience thick, granite-like muscle hardness like never before*