• 1,250 calories
• 50g protein blend
• Over 250g carbs with no added sugar
• 25 vitamins and minerals
• Natural & artificial flavors

Optimum Nutrition Serious Mass is a food supplement rich in vitamins and elements that help in gaining weight in a healthy way because it contains protein that increases and strengthens muscles, and is rich in calories that help in gaining weight.

• Weight gain & muscle growth
• Supports growth & recovery
• 1640 calories from low-fat milk

• Add two heaping scoops of Serious Mass to a blender filled with 24 oz of water. Blend for 45-60 seconds. Then add a few ice cubes and, if desired, other calorie-contributing ingredients and blend for an additional 30-45 seconds.
• Tips: Mixing two scoops of Serious Mass with 24 fl. oz. of nonfat or low fat milk instead of water will give you a thicker, creamier, higher-calorie shake. New users may find if beneficial to begin with 1/2 of a serving daily for the first week and then gradually increase to 1 or more full servings several times a day.
• Between Meals: Drink 1/2-1 serving of Serious Mass between meals to maintain positive nitrogen balance and support a high-calorie diet. Post-Workout: Begin drinking 1/2-1 serving of Serious Mass 30-45 minutes following exercise to support maximum recovery. Before Bed: Drink 1/2-1 serving of Serious Mass about 45-60 minutes before bed to provide nutrients to recovering muscle throughout the night.
• Please refer package for detailed usage instructions