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
  • 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.
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  • mass gainer 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
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  • 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
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  • 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
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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
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  • 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
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  • 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
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  • 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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  • 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
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  • 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
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What are Mass Gainers and Who Should Use Them?

Mass gainers are high-calorie protein supplements designed to help individuals increase their daily calorie intake in a convenient way. Unlike standard protein powders, they include a blend of protein, carbohydrates, and sometimes healthy fats to provide a complete macronutrient profile.

They are ideal for hard gainers, athletes with fast metabolisms, or anyone struggling to consume enough calories through whole foods alone. Whether you’re bulking, increasing strength, or trying to add size, mass gainers provide an efficient way to meet your nutritional requirements without excessive meal prep.

The Benefits of Mass Gainers for Muscle Growth and Weight Gain

Mass gainers support muscle growth by delivering a combination of protein for repair and carbohydrates for energy and recovery. The high calorie content helps create the surplus needed for weight gain, while the protein ensures that the weight gained is more likely to be lean muscle rather than fat.

They also help improve workout performance by replenishing glycogen stores and providing sustained energy. Many formulas include added vitamins, minerals, and amino acids to further support recovery, strength, and overall health. For those serious about bulking, mass gainers simplify the process of consistently hitting calorie and protein targets.

How to Choose the Best Mass Gainer in Australia

When selecting a mass gainer, start by checking the calorie content per serving. Depending on your goals, products can range from 400 to over 1,000 calories per serve. Look for a balanced ratio of protein to carbohydrates, ideally with at least 20–50 grams of protein per serving.

Pay attention to ingredient quality, avoiding excessive sugars and low-quality fillers. Digestibility is also important, so consider products with added digestive enzymes if you experience bloating. At Nutri Peak, we offer a range of high-quality mass gainers designed to deliver consistent results, helping you build size, strength, and confidence.

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.