Serious Mass

High Calorie Weight Gainer Formula

Serious Mass is Optimum’s weight gain formula Protein Powder. Serious Mass supplies you with the calories, carbs and proteins to help pack on the pounds for muscle, strength and size.

Serious Mass Highlights:

* 1,250 CALORIES per serving
* 50 g of BLENDED PROTEIN
* Over 250 g of Carbohydrates with NO ADDED SUGAR
* Enhanced with Creatine, Glutamine, and Glutamine Peptides
* 25 Vitamins and Essential Minerals