For both professional athletes and bodybuilders, this weight gain powder supports increased mass and strength. Offering an effective combination of protein, carbohydrates, and nutrients, 100% Pure Muscle Mass is the ultimate lean muscle mass and weight gain powder. Packed with calories, carbs, and protein, this powder helps build muscle, while nutrients aid the recovery process. When training hard, supplements need to match intensity and with 100% Pure Muscle Mass, optimal results can be achieved.