High performance mass building fuel: supports gains in hard, dense muscle mass and strength. Features: "Muscle Plasma Protein Technology" the cutting edge combination of hydrolyzed beef protein and lactoferrin protein, contains a blend of healthy fats, complex carbohydrates & BCAA nitrates, 40G protein, Low Sugar, Gluten-Free. The smart way to trigger explosive muscle growth-fast! Arnold Schwarzenegger teamed up with MusclePharm scientists and together they created a revolutionary weight gainer. It rakes both calories and precise nutrient partitioning to create the muscle building environment an athlete's needs