To get big, you need to lift big and eat big. But you can only eat so much food. That’s where Serious Mass can help. With 1,250 calories, 50 grams of protein to support muscle recovery and 250+ grams of carbohydrates to help replenish muscle glycogen, this high-calorie, high-protein gainer has a lot to offer. When you get serious about sizing up your physique, get Serious Mass.