Optimum Nutrition Serious Mass Chocolate 6 Pound

Mass gainer and muscle mass increase Optimal Serious Mass from the company Optimal Nutrition is the perfect solution that will enable you to get 1250 calories, 50 grams of protein, 252 grams of carbohydrates, 25 types of vitamins and minerals! Also, Optimal Serious Mass contains creatine, glutamine, and many other essential substances for muscle building and recovery, making Serious Mass protein the first choice for bodybuilders who want to gain extra muscle mass and weight in a short period.