Optimum Nutrition Serious Mass | Weight Gainer, Vanilla – 6lb/2.72 kg


  • Vanilla flavour
  • High-calorie weight gainer: 1,250 calories per 2-scoop serving.
  • 50 Grams of protein per serving.
  • 250 Grams of carbohydrates per serving
  • 25 Vitamins & minnerals plus creatine & Glutamine..


Optimum Nutrition Serious Mass

  • For Muscle Building & Weight Gain
  • More than 1260 kcal per serving to help boost your calorie intake
  • 50 g protein per serving to help build and maintain muscle

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, SERIOUS MASS is the ultimate in weight gain formulas. With 1,250 calories per serving to boost daily calorie intake, 50g high protein to support muscle growth and repair, over 250g carbohydrates, and now with 3 g added Creatine to support performance per serving, you’ve got nothing to lose and lots to gain. It is time to stop thinking small and get serious – SERIOUS MASS

Use Anytime, it is quick, convenient and easy to prepare. Serious Mass is ideal between meals, after weight training as part of your recovery routine and before bed. Just mix two scoops of Serious Mass (334g) with 710ml of water to create a tasty, calorie-packed shake.

  • Best By: 2024
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