Optimum Nutrition Serious Mass (5.45Kg)

High-Calorie Formula Supports Muscle Building and Weight Gain Goals
1,250 Calories per Serving to Help Boost Calorie Intake
50 Grams of Protein per Serving to Help Build and Maintain Muscle
252-254 Grams of Carbohydrates per Serving to Help Fuel Workouts
3 Grams of Creatine Monohydrate per Serving
25 Vitamins & Essential Minerals