Mutant Mass is the number one selling muscle mass gainer in the world and it's easy to see why. Mutant provides the highest protein profile in the most calorie-dense formula found around the globe.

Just look at the quality nutritional statistics, each 280-gram serving of Mutant Mass provides an avalanche of 1,050 calories, 192-grams of carbs and 56-grams of protein blend that when combined with your normal diet, will help you increase your weight and boost muscle gain.