HIGH-CALORIE MASS GAINER: GNC Pro Performance Bulk 1340 is a scientifically formulated mass gainer that delivers 1,340 calories per serving and 50g of high-quality protein to help you increase size and overall strength when used in conjunction with an exercise program.
HIGH-CALORIE MASS GAINER: GNC Pro Performance Bulk 1340 is a scientifically formulated mass gainer that delivers 1,340 calories per serving and 50g of high-quality protein to help you increase size and overall strength when used in conjunction with an exercise program.
ABOUT THE PRODUCT: With GNC AMP Mass XXX with MyoTor, you get an enhanced muscular performance formula between meals, on non-training days, or before and after workouts. It contains ultra-pure, fast-digesting whey protein isolates with hydrolysate, which contributes to muscle growth, recovery, and improved strength.