Optimum Nutrition Serious Mass Protein

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Optimum Nutrition Serious Mass Protein

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4 x

$18.25 AUD



4 x

$18.25 AUD
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Optimum Nutrition Serious Mass Protein

Achieving weight gain requires a caloric surplus. However, those with a fast metabolism, low appetite, or busy lifestyle may struggle to consume enough calories through food alone.

To combat this challenge, SERIOUS MASS offers an effective solution. Each 2-scoop serving provides 1,250 calories and 50 grams of protein for optimal muscle recovery. This powder is perfect for a post-workout or between meals shake, helping you reach your weight gain goals.

With SERIOUS MASS, you have the necessary tools to support your journey towards size and strength.

Optimum Nutrition Serious Mass Protein Key Benefits

  • Training longer and harder to gain more muscle
  • Finding it difficult to consume enough calories through food alone
  • Finding it challenging to gain weight regardless of your dietary intake.
  • The World's Best-Selling Mass Gainer
  • Serious Mass provides you with all the tools you’ll need to pack on the pounds.


  • 1,250 Calories per Serving to Help Support a Calorie Surplus for Weight Gain and Muscle Building
  • 50 Grams of Blended Protein per Serving to Help Build and Maintain Muscle
  • 252-254 Grams of Carbohydrates (with no added sugar) to Help Fuel Workouts and Aid in Replenishment of Glycogen Stores
  • 1g Creatine Monohydrate To Support Muscle Strength, Power And Size When Combined With High-Intensity Activities
  • 20 Additional Vitamins and Minerals (including L- Glutamine)
  • Ideal Formula to Support Weight Gains
  • Available in a Range of Sizes and Great Tasting Flavours
  • Enjoy Post Work-out and Between Meals

Commonly Asked Questions

Is Optimum Nutrition Serious Mass Protein good for weight gain?

As a protein supplement, Optimum Nutrition Serious Mass provides excellent value for its price, making it a top choice for those seeking an effective weight gain solution that won't break the bank. With its generous portion size, this product is perfect for individuals looking to increase muscle mass while sticking to a budget.

Can I take mass gainer without working out?

It is not recommended to consume mass gainer supplements without working out regularly. Doing so may lead to an increase in fat instead of muscle. In order to achieve optimal results and prevent excess weight gain, consider increasing your intake of lean protein in your diet.

Directions For Use

For optimal use, mix 2 scoops of the powder with 700-720ml of cold water or milk using an electric blender. This will allow for the addition of fruits, peanut butter, and other calorie-contributing foods. As a helpful tip, new users should begin with a 1-scoop half serving and consume as a post-workout or between-meal supplement.


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