Serious Mass high protein gain powder High-calorie weight gainer 12lb (5kg) serious mass is the ultimate in weight gain formulas. with 1,250 calories per serving and 50 grams of protein for muscle recovery support, this instantized powder makes the ideal post-workout and between meals shake for sizing up your goals. serious mass provides you with the tools you need to pack on the pounds and help you develop the physique you’ve always wanted. add two heaping scoops of serious mass to a blender filled with 24 oz (710 ml) of water. blend for 45-60 seconds. mixing two scoops of serious mass with 24 oz (710 ml) of nonfat orlow fat milk instead of water wil give you a thicker creamier, higher-calorie shake. new user may find if beneficial to begin with 1/2 of a serving daily for the first week, then gradually increase to 1 or severa times a day