Mass Gain is CALORIES, pure and simple. It’s specifically designed with a 5:1 carb:protein ratio for the hard-gainer who needs quality calories to fuel their muscles. Not just calorie quantity, but calorie quality. 52g of high quality, gently processed, low temperature filtered whey protein ensures your muscles have plenty of amino acids to recover and build new muscle with. 250 blended-source high-energy carbohydrates provide you bulk-calories in the form of usable muscle-energy. 6g multi-source “good” fats provide energy and help in muscle cell development. If you’re trying to pack on size, this is literally your meal ticket.