Spawned from countless hours of research and testing on some of the freakiest mass monsters on the planet, MUTANT MASS is a revolutionary, top secret experimental muscle mass gainer that delivers extreme, abnormal mass building results. If you're destroying the iron in the gym to build massive, MUTANT-like proportions of skin stretching muscle and inhuman strength then MUTANT MASS is a must for your mass building arsenal. Every powerful, military strength serving of MUTANT MASS delivers a potent dose of anabolic macronutrients - including exclusive MUTANT PRO - to shift your body into a state of virtually limitless growth.