Optimum Nutrition ON Serious Mass Gain Powder ~ Vanilla, 6Lb-2.73kg

Optimum Nutrition's SERIOUS MASS is the ultimate muscle building and weight formula. With 1,250 calories per 2-scoop serving and 50 grams of protein to support muscle recovery, this powder makes the ideal post-workout and between meals shake for sizing up your goals. SERIOUS MASS provides you with the tools you need to support your gains goals.Optimum Nutrition, Serious Mass, Weight, Protein Powder, Chocolate, 2.95lbHigh-Calorie Formula Supports Muscle Building³ and Gain Goals1,250 Calories per Serving to Help Boost Calorie Intake50 Grams of Protein per Serving to Help Build and Maintain Muscle252-254 Grams of Carbohydrates per Serving to Help Workouts3 Grams of Creatine Monohydrate per Serving25 Vitamins & Essential Minerals