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.
BENEFITS
- High-Calorie Formula Supports Muscle Building³ and Weight Gain Goals¹
- 1,250 Calories per Serving to Help Boost Calorie Intake¹
- 50 Grams of Protein per Serving to Help Build and Maintain Muscle¹ ³
- 252-254 Grams of Carbohydrates per Serving to Help Fuel Workouts¹
- 3 Grams of Creatine Monohydrate per Serving
- 25 Vitamins & Essential Minerals
DIRECTIONS
Mix 2 scoops of the powder into 24 fluid ounces of cold water or milk using an electric blender. This allows to you add in fruits, peanut butter and other calorie-contributing foods. TIP: New users should start with a 1-scoop half serving. Use post-workout and/or between meals to add calories, carbs and protein to your healthy, balanced diet.



At ON we are proud to know that we are one of the few sports nutrition companies who own and operate their own production facilities. While In fact, our requirements for raw materials are so strenuous that it’s not unusual for ON Quality Team to reject entire truckloads of raw materials that do not meet our high standards. We like to think that we take as much pride & care in crafting our supplements as our consumers do with crafting their physiques and fitness accomplishments.
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