Optimum Nutrition

ON Serious Mass

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Regular price $89.99

Optimum Nutrition Serious Mass – High-Calorie Mass Gainer

Optimum Nutrition Serious Mass is a calorie-dense nutrition powder designed for individuals looking to increase their daily energy and macronutrient intake. Featuring a blend of protein, carbohydrates, vitamins, and minerals, this formula offers a convenient option for shakes and smoothies throughout the day.

Each serving provides approximately 1,250 calories when prepared as directed, along with a blended protein source and high carbohydrate content. The formula also includes added creatine, glutamine-related amino acids, and a broad range of vitamins and minerals. Instantised for smooth mixing, Serious Mass can be combined with water, milk, or added ingredients to suit individual preferences.

Ideal for those with higher energy requirements or those looking for a convenient calorie-rich shake option.

Key Features:

  • High-calorie mass gainer powder
  • Provides approximately 1,250 calories per serve
  • Contains a blended protein source with 50 g of protein per serving
  • Includes carbohydrates with no added sugar
  • Features added creatine and amino acids
  • Fortified with vitamins and essential minerals
  • Instantised for easy mixing
  • Suitable for smoothies, shakes, and daily nutrition routines

Please refer to the nutrition panel.

Mix 2 scoops of the powder into 24 fluid ounces of cold water or milk using an electric blender. This allows to you add in fruits, peanut butter and other calorie-contributing foods.

TIP: New users should start with a 1-scoop half serving. Use post-workout and/or between meals to add calories, carbs and protein to your healthy, balanced diet.