Serious Mass Strawberry Weight Gain Protein Powder | 12 lbs

Optimum Nutrition's Serious Mass to help you get serious about your sizable ambitions

Calories That Count

Serious weight gain goals require serious calories. For many aspiring to be bigger, a highly- active metabolism, weaker appetite and on-the-run lifestyle can make it a real challenge to get enough calories from food.

Supercharge Your Serious Mass

Using an electric blender, you can add nuts, fresh or frozen fruits and other calorie-contributing ingredient to enhance the weight gain and muscle recovery potential of Serious Mass.

Optimal Usage Occasions

Between meals, after weight training and before bed. With less than 5 grams of fat per serving, Serious Mass is the weight gain formula packed with calories that count during recovery.