Gaining muscle mass and size can be very challenging, especially when you have a fast metabolism or find it difficult to consume enough calories and protein during the day. Super Mass Gainer is a high-quality mass and size gainer that is loaded with enough protein, BCAAs, calories, and other nutrients to help even the hardest gainers pack on mass and size. Unlike many other mass gainers out there, Super Mass Gainer also tastes delicious and has amazing mixability!