Mutant Mass, the award-winning, high-calorie weight gainer designed for, and tested by, the most hardcore lifters and bodybuilders. Featuring over 1,100 calories per serving (when mixed with water) and 56g of a 10-protein blend (including whey, casein, and egg), this formula is engineered to drive rapid muscle growth. Unlike ordinary gainers, Mutant Mass is built with whole-food carbohydrates (sweet potato, oats, and barley) and essential fats to support maximum, clean gains without the filler