Optimum Nutrition Serious Mass.
For Muscle Building & Weight Gain Goals
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.
- High-Calorie Formula Supports Muscle Building and 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
- 3 Grams of Creatine Monohydrate per Serving
- 25 Vitamins & Essential Minerals