Optimum Nutrition Serious Mass is the best weight gain protein formula that supplies hard gainers with the additional calories needed to pack on pounds of quality muscle and develop a strong and solid physique.
Optimum Nutrition Serious Mass delivers nutritional support in the form of 1250 calories, 50 grams of quality blended protein and over 250 grams of carbohydrates in each serving. The combination of Glutamine and Creatine Monohydrate makes it the ideal supplement for your rigorous strength training sessions.
With Optimum Nutrition Serious Mass, you have nothing to lose and everything to gain.
It’s time to quit having small-minded thoughts and GET SERIOUS WITH SERIOUS MASS.