Serious Mass is the ultimate muscle building and weight gain formula. With 1,250 calories per 2-scoop serving and 50 grams of protein to support muscle recovery, this 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 support your weight gains goals.
Mass Gainers
Optimum Nutrition Serious Mass 5.5kg
90 $
For Muscle Building & Weight Gain Goals
1,250 Calories per Serving to Help Boost Calorie Intake
50 Grams of Protein per Serving to Help Build and Maintain Muscle
252-254 Grams of Carbohydrates per Serving to Help Fuel Workouts
Flavors Available : Chocolate, Strawberry.
