Optimum Nutrition Serious Mass

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


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Optimum Nutrition Serious Mass

50 Grams Of Protein With Glutamine And Creatine Plus 1,250 Calories! That’s Serious Mass!
The Bigger Picture of Weight-Gain:
Serious weight gain requires serious calories. However, those who need the extra calories most, often have the toughest time consuming enough of them. For many aspiring to be bigger, highly-active metabolisms, weaker appetites and on-the-run lifestyles make consuming sufficient calories through whole foods alone a real challenge. You’ve got nothing to lose and lots to gain. We’ve consolidated over 1,250 calories, 50 grams of protein, 250-plus grams of carbohydrates, and 25 vitamins & minerals with added glutamine and creatine into every serving. It’s time to stop thinking small; get serious – Serious Mass.

Beyond The Basics of Optimum Nutrition Serious Mass
1,250 calories per serving in water; 1,630 calories when made with low fat milk.
50 Grams of protein from a combination of faster and slower digesting sources including Whey, casein, and Egg.
Also 250-plus grams of carbohydrates to support fueling of intense workouts and aid in the replenishment of glycogen stores – with NO ADDED SUGAR.
Also enhanced with Creatine, L-glutamine & Glutamine Peptides, Choline, Inositol, PABA, and MCTs.
And 25 Vitamins & Essential Minerals with an emphasis on B-vitamins and Antioxidants.

Also check out the rest of our Optimum Nutrition range here.
Additionally find out more info about Optimum Nutrition here.

Additional information


2.7kg, 5.4kg


Banana, Chocolate, Chocolate Mint, Chocolate Peanut Butter, Cookies & Cream, Strawberry, Vanilla

Nutritional Information



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