Mutant® | Mass 5IbBuilt for serious size and calorie intake, Mutant Mass is a high calorie mass gainer designed to help support muscle growth, recovery, and overall weight gain for hard gainers and athletes with demanding training goals. Featuring a multi stage protein blend combined with quality carbohydrate sources and added healthy fats, Mutant Mass delivers the calories and nutrients needed to help fuel recovery, strength, and muscle building progress throughout