Mutant Mass 6.8kg - Strawberry BananaMutant Mass 6. 8kg is a massive, high calorie mass gainer ideal for individuals seeking to build substantial muscle mass and strength. Offering over 1100 calories per serving, this formula delivers a balanced blend of high quality proteins, complex carbohydrates, and healthy fats. Designed for hard gainers and athletes looking to bulk up, Mutant Mass provides a consistent, steady source of energy to fuel your workouts and promote muscle growth.