High-Calorie Weight Gainer

Optimum Nutrition Serious Mass is the ultimate in weight gain formulas. With 1,250 calories per serving and 50 grams of protein for muscle recovery support, this instantised 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 pack on the pounds and help you develop the physique you’ve always wanted.

Key Features

• Adding Calories Has Never Been This Easy or Tasted So Good
• 1,250 Calories Per Serve
• 50 Grams of Blended Protein
• Over 250 Grams of Carbohydrates with NO ADDED SUGAR
• Creatine, Glutamine, and Glutamic Acid
• 25 Vitamins and Essential Minerals

Recommended Use

Mix 1-2 scoops Optimum Nutrition Serious Mass with 400-700mls of cold water or milk and mix with using an electric blender. This allows to you add in fruits, peanut butter and other calorie-contributing foods. For best results consume post-workout and/or between meals to add calories, carbs and protein to your healthy, balanced diet.

Available Sizes: 5 or 12lb