ON (Optimum Nutrition) Serious Mass

SERIOUS MASS is the ultimate weight gain and muscle building formula. With +1200 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 weight gains goals.

• High-Calorie Formula Supports Weight Gain and Muscle Building Goals.
• +1200 Calories per Serving to Help Boost Calorie Intake (calories may vary according to flavors).
• 50 Grams of Protein per Serving to Help Build and Maintain Muscle.
• +250 Grams of Carbohydrates per Serving to Help Fuel Workouts.
• 1 gram Creatine Monohydrate per serving.
• 1 gram Glutamine per serving.
• 23 Vitamins & Essential Minerals.