Optimum Nutrition (ON) Serious Mass Gainer 12 LB

6,199.00 4,899.00

Key Features 

  • 1250 calories per serving when consumed with water and 1640 when made in low fat milk
  • 25 vitamins & essential minerals
  • 50 gm of protein and 254 grms of carbohydrates to support fueling of intense workouts
  • Aids in the replenishment of glycogen scores with no sugar added
  • Supports growth and recovery with creatine and amino acids
  • Over 250g carbs with no added sugar
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