Optimum Nutrition

Serious Mass

Optimum Nutrition Serious Mass

“Serious Weight Gainer!”

Product Info.

Prices Subject to change Without Notice

Serving Size: 2 scoops
Size: 6.0 Lbs. Servings - 8
Size: 12.0 Lbs. Servings - 16

Optimum Nutrition Serious Mass Ingredient Listing

*Ingredients vary slightly between flavors

Recommended Use:
Add two (2) heaping scoops (scoop included) of Serious Mass to a large blender filled with 24 fl oz of cold water or milk. If desired, add ice and other ingredients; cover and blend on High speed for 45-60 seconds - or until thoroughly mixed. Note: New users may find it beneficial to begin with one half (1/2) of a serving daily for the first week, gradually increasing to one or more full servings several times a day.


These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.


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Optimum Nutrition Serious Mass - The ultimate in weight gain formulas that supplies you with 1,250 calories per serving, 50 grams of protein for muscle recovery support, and Creatine, Glutamine, Glutamic Acid and 25 Vitamins and Essential Minerals for the ideal post-workout and between meals shake for sizing up your goals.

Functional Benifits

Functional Benifits

Weight Gainer with 50 Grams Of Protein, Glutamine And Creatine!

Serious Mass: the ULTIMATE in weight gain formulas. Serious Mass supplies you with the tools you need to pack on the pounds and develop the physique you've always wanted.

Each serving of Serious Mass contains 1250 serious calories derived primarily from protein sparing complex carbohydrates and a high quality protein blend consisting of Whey Protein Concentrate, Calcium Caseinate, and Egg albumen. Creating Monohydrate, Glutamine, Chline and Inositol have been added to optimize each strength training workout while a complete vitamin and mineral profile insures your body gets the balanced nutrition it needs.

Serious Mass Suggested Use by Body Weight:

Weight Daily Servings Total Calories Protein Carbs
100 to 174 lbs 1 Scoop 3 times daily 1,875 Calories (625 x 3) 75g Protein (25 x 3) 378g Carbs (126 x 3)
174-224 lbs 1-1/2 Scoops 3 times daily 2,814 Calories (938 x 3) 113g Protein (37.5 x 3) 567g Carbs (189 x 3)
Over 224 lbs 2 Scoops 3 times daily 3,750 Calories (1,250 x 3) 150g Protein (50 x 3) 756g Carbs (252 x 3)

Want More Mass?

Supercharge your serious mass. Mix and match the following ingredients to add variety and increase the caloric value of your Serious Mass shake: Granola (1/2 cup, 250 extra calories); Chocolate Chips, Semi-Sweet (1/4 cup, 198 extra calories); Peanut Butter (1 tbsp, 190 extra calories); Almonds (1 oz, 167 extra calories); Peanuts (1 oz, 164 extra calories); Ice Cream, Vanilla (1/2 cup, 160 extra calories); Whole Milk (1 cup, 150 extra calories); Coconut, Shredded (1/2 cup, 139 calories); Flax Seed Oil (1 tbsp, 115 extra calories); Oat Bran, Dry (1/2 cup, 108 extra calories); Banana (1 med, 105 extra calories); Honey (1 tbsp, 64 extra calories); Molasses (1 tbsp, 43 extra calories). Store in a cool, dry place.

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Protein Powders

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Weight Gainers

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