Optimum Nutrition Serious Mass - 12 Lbs. - Vanilla

Optimum Nutrition Serious Mass - 12 Lbs. - Vanilla

Weight Gainer with 50 Grams Of Protein, Glutamine And Creatine!

Manufacturer: Optimum Nutrition

Serious Mass Vanilla 12.0 lb by Optimum Nutrition

1250 Calories25 Vitamins & Minerals250 g+ Carbs50 g ProteinArtificially FlavoredNo Sugar Added* Weight Gain Supplement

Optimum Nutrition Serious Mass - 12lbs Vanilla

We've consolidated over 1,250 calories, 50 grams of protein, 250-plus grams of carbohydrates, and 25 vitamins & minerals with added aminos and creatine.