Mutant Mass (5lbs) Weight Gain Protein PowderMutant Mass (5lbs) Weight Gain Protein Powder Mutant Mass is a high calorie, whole foodbased mass gainer engineered for athletes, hard gainers, and anyone needing serious calorie support to build size and strength. Designed using natural, nutrient dense ingredients, Mutant Mass delivers a powerful combination of clean carbohydrates, high quality protein, and essential fats to fuel muscle growth and recovery. With exceptional taste and gold standard