Are you ready to build mass fast? Introducing MASS FUSION® 2.0, the highest calorie gainer we"ve ever formulated! This monster contains 950 muscle-building calories and 50 grams of pure protein, including whey protein isolate, whey protein concentrate and micellar casein. Each serving tastes incredible and feeds your muscles all the nutrition you need for rapid gains in size and strength. With 27 servings in each container, MASS FUSION® 2.0 will pack on mass faster than you ever thought possible.