Build size, strength, and calories with our range of Mass Gainer Protein Powders – formulated for those looking to increase muscle mass and overall body weight. Combining high-quality protein with carbohydrates and essential nutrients, mass gainers make it easier to stay in a calorie surplus without constantly eating large meals. Our collection includes trusted brands such as Vitargo, Dymatize, International Protein, BSc Bodyscience, and more. All products are 100% authentic with fast, reliable delivery across Australia. If you struggle to gain weight, this is your simplest solution to fuel growth.

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PROTEIN WATERCASEIN PROTEIN POWDERLOW CALORIE PROTEIN POWDERVEGAN PROTEIN POWDERGLUTEN-FREE PROTEIN POWDER
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    International Protein Heavy Weight Mass Gainer

    One of International Protein’s greatest weight-gain supplements is this amazing, carb-loaded protein powder, which is full of all the nutrients and protein you need to perform at your best. When combined as instructed with skim milk, it has a whopping 1050 calories per serve.

    Price range: $69.75 through $119.75
    Select options This product has multiple variants. The options may be chosen on the product page
  • International Protein Extreme Mass
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    International Protein Extreme Mass

    Designed for severe mass gainers, Extreme Mass is a weight gainer protein that is dangerously anabolic. In order to achieve dramatic increases in both bulk and size, it emphasises the importance of keeping the body in a highly anabolic state.

    Price range: $89.75 through $169.75
    Select options This product has multiple variants. The options may be chosen on the product page
  • Dymatize Super Mass Gainer
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    Dymatize Super Mass Gainer

    It can be quite tough to gain size and bulk in your muscles, particularly if you have a rapid metabolism or have trouble getting enough protein and calories during the day. With an abundance of protein, BCAAs, calories, and other nutrients, Super Mass Gainer is a premium mass and size gainer that may assist even the most determined gainers in gaining muscle mass and growth. Super Mass Gainer is not like many other mass gainers; it tastes great and mixes amazingly well!

    Price range: $109.75 through $169.75
    Select options This product has multiple variants. The options may be chosen on the product page
  • Vitargo Carbohydrate Drink
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    Vitargo Carbohydrate Drink

    Vitargo is the king of high-intensity exercise.Vitargo is the tried-and-true, superior carbohydrate that performs better than the competition in terms of speed, recovery, and cleanness.

    Original price was: $139.95.Current price is: $109.75.
    Select options This product has multiple variants. The options may be chosen on the product page
  • Alchemist Nutrition Cereal Cream Of Rice
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    Alchemist Nutrition Cereal Cream Of Rice

    It’s the champions’ breakfast. Savour 20g of slow-releasing carbohydrates per serving as your pre- or post-workout meal, or simply as a warm breakfast to start your day every day. It will keep you full and is an excellent replacement for oats.

    $69.75
    Select options This product has multiple variants. The options may be chosen on the product page
  • MusclePharm Combat XL Mass Gainer
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    MusclePharm Combat XL Mass Gainer

    A novel weight-gaining supplement called MusclePharm® Combat XLTM was developed with accurate nutrient partitioning and rich, useful calories to provide the ideal environment for muscle building that athletes require. Combat XL, with its combination of complex carbs, vital fatty acids, and four protein sources, helps your muscles recover so you may gain and maintain muscular mass.

    $72.75
    Select options This product has multiple variants. The options may be chosen on the product page
  • Ronnie Coleman Signature Series King Carb
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    Ronnie Coleman Signature Series King Carb

    Coleman RonnieIn addition to maltodextrin, King Carb is a glycogen replacement and recovery solution that incorporates dextrose, the fastest-absorbing form of simple carbs, which is comparable to glucose. Muscles that have undergone intense training lose glycogen, which must be restored for recovery and optimal function. Additionally, it has an electrolyte blend that replenishes electrolytes lost through perspiration during exercise.

    $42.75
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  • BSc Bodyscience Nitrovol Mass Gainer
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    BSc Bodyscience Nitrovol Mass Gainer

    Presenting Nitrovol Mass Gainer, our formidable mass-gaining product. For those who are serious about becoming larger and adding muscle mass, this is the perfect combination of high-protein, high-carb, and muscle-building components. Whether you’re trying to acquire lean mass or are a hard gainer, this premium protein powder will help you get the body you’ve always wanted.

    $109.75
    Select options This product has multiple variants. The options may be chosen on the product page
  • optimum nutrition serious mass
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    Optimum Nutrition Serious Mass

    The secret to gaining weight and creating muscle is SERIOUS MASS. This powder is the perfect smoothie for measuring up your objectives after an exercise or in between meals because it has 1,250 calories per 2-scoop serving and 50 grammes of protein to help muscle repair. You can assist your weight gain objectives with the help of SERIOUS MASS.

    Price range: $79.75 through $139.75
    Select options This product has multiple variants. The options may be chosen on the product page
  • Optimum Nutrition Gold Standard Gainer
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    Optimum Nutrition Gold Standard Gainer

    Maximise your gains with Gold Standard Gainer – a high-performance mass gainer built for those looking to increase size, boost strength, and speed up recovery.

    Price range: $119.75 through $199.75
    Select options This product has multiple variants. The options may be chosen on the product page

What is a mass gainer and who it’s built for

Mass gainer protein powder is a high-calorie supplement designed to help people increase their daily calorie and protein intake more easily. Unlike standard protein powders that focus primarily on protein delivery, mass gainers combine protein with additional carbohydrates and sometimes fats to support those aiming to gain weight or build muscle.

Mass gainers are commonly used by people who struggle to eat enough through regular meals alone, have high training demands, or are following a muscle-building phase. A quality mass gainer protein supplement can provide a convenient way to increase energy intake while supporting recovery and helping meet overall nutrition goals.

Mass gainer vs regular protein powder

The main difference between mass gainers and traditional protein powders comes down to calorie content and macronutrient balance. Regular protein powders are generally lower in calories and focus on helping users increase protein intake with minimal additional carbohydrates and fats.

Mass gainers include a larger amount of carbohydrates alongside protein to help create a calorie surplus, which is often required for weight gain. Many people compare mass gainer and protein options depending on whether their goal is increasing overall body mass or simply supporting recovery while maintaining their current weight.

Pick a gainer with the right calorie and carb ratio

Choosing the right mass gainer depends on your goals, appetite, training volume, and daily calorie requirements. Some people prefer moderate-calorie options for controlled muscle gain, while others may need higher-calorie formulas to support more aggressive bulking phases.

Looking at the balance of protein, carbohydrates, and total calories per serve can help you select the right product. A good weight gain protein powder should provide enough energy to support your goals while still delivering quality protein to assist recovery and muscle development.

Shop mass gainer protein powder at Nutri Peak

At Nutri Peak, our mass gainer range is designed to support those looking to increase calorie intake in a convenient and effective way. We focus on quality ingredients, practical nutrition, and great taste to make staying consistent easier.

Whether your goal is building size, supporting intense training, or increasing daily energy intake, Nutri Peak offers mass protein powder options designed to fit your routine and help you progress toward your goals.

Frequently Asked Questions

A mass gainer is a high-calorie supplement that combines protein, carbohydrates, and sometimes fats to help you gain weight and build muscle more easily.

Mass gainers are ideal for:

  • Hard gainers who struggle to gain weight
  • People with fast metabolisms
  • Athletes needing high calorie intake
  • Anyone trying to bulk and build size
  • Mass gainer: High in calories, carbs, and protein
  • Regular protein: Primarily focused on protein with lower calories

Mass gainers are designed for weight gain, while regular protein is for lean muscle support.

Yes. Mass gainers provide the calories and protein needed to create a calorie surplus, which is essential for muscle growth and strength gains.

They can if you consume too many calories. When used correctly alongside training, they help promote muscle gain with controlled fat gain.

This depends on your calorie needs. Most people take 1–2 servings per day, but it can vary based on your goals and diet.

You can, but it’s not recommended. Without training, excess calories are more likely to be stored as fat rather than muscle.

Yes, when used appropriately as part of a balanced diet. They’re simply a convenient way to increase calorie and protein intake.