Optimum Nutrition Serious Mass 12lb Flavors:Chocolate Isolate is instantized for easy

Isolate is instantized for easy mixing

Looking for a dominant muscle builder

Dipotassium

Chocolate Liquor

Optimum Nutrition Serious Mass 12lb Flavors:Chocolate Isolate is instantized for easy<p>Offering the ultimate weight gain formula, Serious Mass offers 1250 calories and 50 grams of protein per serving. Providing the tools in which athletes and bodybuilders require, Serious Mass helps users develop the physique they desire. The addition of creatine, glutamine, and glutamic acid not only support gains, but also glycogen stores and overall recovery. The addition of 25 vitamins and essential minerals support a more positive immune system,