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Optimum Nutrition Serious Mass Weight Gainer

Optimun Nutrition
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Serious Mass Gainer is the ultimate weight gain formula. Optimum Nutrition Serious Mass Gainer provides 1,250 calories per serving and 50 grams of protein for muscle recovery, this instantized powder makes a sizable post-workout and between meals shake.  Optimum Nutrition Mass Gainer gives you the tools you need to pack on pounds and - when coupled with serious weight training - develop your physique to the fullest.

SKU: seriousmass

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Serious Mass

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Optimum Nutrition Serious Mass



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

Serious weight gain goals require serious measures. To gain  just one pound of bodyweight, it takes approximately an extra 3,500 calories above and beyond what is necessary for daily bodily maintenance. However, individuals with high metabolisms and or active physical lifestyles often find it difficult to consume enough whole foods to achieve this level of caloric intake. What's more,  preparing high-calorie whole food meals isn't always as convenient or easy as blending a nutrient-dense shake. Each great-tasting and convenient serving of Serious Mass Gainer provides:

  • 1,250 calories from high-quality, energy-rich sources
  • 50 grams of protein from a combination
    of fast and slow digesting sources including Whey, casein, and egg
  • 254 grams of carbohydrates - with NO ADDED SUGAR -to support fueling of intense workouts and aid in the replenishment of glycogen stores
  • Enhanced with Creatine, Glutamine, and Glutamine Peptides to support maximum gains in strength and recovery

Optimum Nutrition Serious Mass Gainer combined with a well-balanced diet and intense physical activity, offers an ideal, convenient solution to those often encountered weight-gain hurdles, helping to support your quest for a massive, powerful physique. For great gains, add Serious Mass to you nutritional regimen today!

Additional Info

Additional Info

Short Name No
Servings No
SKU seriousmass
Brand Optimun Nutrition

Supplement Facts

Nutrition Facts

optimum serious mass


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