Weight and Mass Gainers are what you use to increase your weight faster.

If you are looking for high quality Protein and Carbs, then a mass gainer is the answer. We stock the best Weight Gainers that are packed with high quality carbs rather than cheap sugar. Mass gainers drive Muscle and Strength gains faster.

Weight gainers are suitable for those with fast metabolisms, needing to pack on the weight quicker.

Check out our Epic Weight Gainers and Muscle Building Products Below!

Sale!

#4 Best Seller Mammoth Mass Weight Gainer - 15lb

Our Price: $119.95

Mammoth Mass Weight Gainer 15lb / 6.8kg About Supplements.co.nz Mammoth Mass It's the BEAST of all Mass Gainers.  Have you been using mass gainers to reach your big goals of bulking up but find yourself never satisfied with your results once you get there? Well that’s because you don’t have MAMMOTH goals! MAMMOTH MASS is by far the most advanced and...

Sale!

Mutant Mass 6.8kg

Our Price: $119.00

Mutant Mass Gainer 6.8kg / 15lb AA Smartfuel Member? Save 10c OFF per litre on fuel when you spend between $100 - $199. Next discount up = 20c off per litre on fuel with expenditures between $200 - $299. Click here to see full fuel discount rates.  About Supplements.co.nz PVL Mutant Mass OVER 1060 CALORIES PER SERVING. PACKED WITH 10 COMPLETE PROTEIN +...

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Horleys Awesome MASS 3kg

Our Price: $99.95

Horleys Awesome MASS 3kg AA Smartfuel Member? Save 10c OFF per litre on fuel when you spend between $100 - $199. Next discount up = 20c off per litre on fuel with expenditures between $200 - $299. Click here to see full fuel discount rates.    About Supplements.co.nz Horley's Awesome Mass Key Features- Weight gainer- Promotes muscle growth- Enhances muscular strength - ...

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Balance Massive 70:30 - 3kg

Our Price: $78.90

Balance Massive 70:30 3KG  About Supplements.co.nz Balance Massive 70:30 Okay, what's the deal? Doesn't Balance already have a BCAA supplement? Balance Massive 70:30 isn't just a BCAA supplement - both glutamine and creatine, along with the carbohydrates that fuel your body, are pumped into the formula for your training benefit!   MORE Glutamine. This amino acid aids in recovery and...

Sale!

Pro Supps IncrediBULK 12lb

Our Price: $98.50

Pro Supps IncrediBULK 12lb (5.4kg) SUPER WEIGHT GAINER FORMULA About Supplements.co.nz Pro Supps IncrediBULK FEATURES: - DUAL CARBOHYDRATE SOURCE FOR STEADY ABSORBTION- MADE ESPECIALLY FOR ECTOMORPHS (HARD GAINERS)- LOADED WITH MUSCLE BUILDING AMINO ACIDS- DELICIOUS CREAMY MILKSHAKE TASTE   1330 SCALE BUSTING REASONS YOU NEED TO GET ON INCREDIBULK™! You are busting your a** in the gym every single day, eating everything that doesn’t eat...

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Optimum Nutrition Serious Mass - 12lb

Our Price: $89.00

OPTIMUM NUTRITION SERIOUS MASS SIZE: 12LB   If you're ready to get serious about packing on big-time muscle, then you need Serious Mass Weight Gainer.   WHAT IS SERIOUS MASS? ON Serious Mass is a well-rounded weight gaining formula with a whopping 1,250 calories per serving. But it's not just a calorie bomb -- there's also 50 grams of protein,...

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BSN True-Mass 2.6kg

Our Price: $99.00

BSN True-Mass 2.6kg  About Supplements.co.nz BSN True-Mass Team BSN brings you the ideal supplement for lean mass gain. True-Mass, as the name implies, is about building quality muscle mass without the unwanted body fat gain. To do this, True-Mass utilizes a "lean" complex carb blend to produce as much energy as possible with minimal fat storage. EFA's (Essential Fatty Acids)...

Sale!

PharmaFreak Mass Freak 15lb

Our Price: $122.00

 PharmaFreak Mass Freak 15lb AA Smartfuel Member? Save 10c OFF per litre on fuel when you spend between $100 - $199. Next discount up = 20c off per litre on fuel with expenditures between $200 - $299. Click here to see full fuel discount rates. About Supplements.co.nz PharmaFreak Mass Freak MASS FREAK - Weight gaining potential WITHOUT fat gain.   MASS...

Sale!

Balance Original Mass Gainer - 3.75kg

Our Price: $118.95

BALANCE ORIGINAL MASS GAINER SIZE: 3.75KG    If you want to pack on serious lean muscle, you're in the right place. Balance Original Mass Gainer features carefully selected ingredients that will support your mass gaining goals.   ADVANCED PROTEIN MATRIX Balance Original Mass Gainer's formula relies a mix of protein sources with varied release times to optimize muscle support throughout the...

Sale!

Arnold Series Iron Mass 5lb

Our Price: $89.00

Arnold Schwarzenegger Series - Iron Mass 5lb About Supplements.co.nz Arnold Schwarzenegger Series Iron Mass 5lb Arnold Schwarzenegger IRON MASS is a revolutionary all-in-one weight gainer that features muscle plasma protein technology to support hard dense muscle mass. As an all in one weight gain formula this blend addresses every angle of muscle building. Iron Mass utilizes a 5 stage mass delivery system that...

Sale!

Balance Massive 70:30 - 5kg

Our Price: $111.90

Balance Massive 70:30 5kg  AA Smartfuel Member? Save 10c OFF per litre on fuel when you spend between $100 - $199. Next discount up = 20c off per litre on fuel with expenditures between $200 - $299. Click here to see full fuel discount rates.  Okay, what's the deal? Doesn't Balance already have a BCAA supplement? Balance Massive 70:30 isn't just...

Sale!

Balance Original Mass Gainer - 1kg

Our Price: $44.99

Balance Original Mass Gainer 1kg About Supplements.co.nz Balance Original Mass Gainer A superior weight gainer combines bits and pieces of the entire nutritional spectrum. As you probably know, that's not always the case, and a big reason why so many weight gainers fail consumers...   Original Mass Gainer strives to provide better service to hardgainers and those looking to add...

Sale!

Balance Original Mass Gainer - 2kg

Our Price: $78.90

Balance Original Mass Gainer 2kg About Supplements.co.nz Balance Original Mass Gainer A superior weight gainer combines bits and pieces of the entire nutritional spectrum. As you probably know, that's not always the case, and a big reason why so many weight gainers fail consumers...   Original Mass Gainer strives to provide better service to hardgainers and those looking to add a...

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Dymatize Super Mass Gainer 6lb

Our Price: $59.00

Dymatize Super Mass Gainer 6lb About Supplements.co.nz Dymatize Super Mass Gainer Dymatize Super Mass Gainer - the top of the mass gain game.   Sick of being a 'hardgainer' and struggling to pack on pounds? Good, because so are we. With the help of Super Mass Gainer, those days will soon be over. With 1300 calories per serving, Super Mass...

Sale!

Horleys Awesome MASS 1.5kg

Our Price: $62.50

Horleys Awesome MASS 1.5kg  About Supplements.co.nz Horley's Awesome Mass Key Features- Weight gainer- Promotes muscle growth- Enhances muscular strength - Enhances Energy- Supports muscle recovery Come one, come all - young or beginning lifters, highly conditioned athletes, weekend warriors! Weight gainer. Protein powder. Anabolic MACHINE builder. Horley's protein isn't just protein.   Horley's protein powder is a specialized blend of...

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Muscletech Mass-Tech 7lb (Masstech) + FREE T SHIRT - SIZES ARE LIMITED FIRST COME FIRST SERVE

Our Price: $99.00

Muscletech Mass-Tech 7lb PLEASE NOTE WE ONLY HAVE LIMITED SIZES - PLEASE PUT IN THE CUSTOMER NOTES SECTION YOUR 1st PREFERENCE IN SIZE AND 2nd PREFERENCE - WE WILL DO OUR BEST TO ACCOMMODATE BUT PLEASE DO NOT BE DISAPPOINTED IF YOUR PREFERENCES CANNOT BE MET AS IT IS OUT OF OUR CONTROL _ SIZES ARE FIRST COME FIRST SERVED...

Sale!

Horleys HUGE Mass Gainer 10lb

Our Price: $114.99

Horleys Huge Heavyweight Growth Enhancer (4.54kg)   AA Smartfuel Member? Save 10c OFF per litre on fuel when you spend between $100 - $199. Next discount up = 20c off per litre on fuel with expenditures between $200 - $299. Click here to see full fuel discount rates.  About Supplements.co.nz Horleys Huge Product Features- High calorie density- Fast recovery- Enhances performance- Promotes...

Sale!

Muscletech Mass-Tech 7lb

Our Price: $99.00

Muscletech Mass-Tech 7lb About Supplements.co.nz Muscletech MASS-TECH Product features: -Build Muscle Mass-Increase Size And Strength-Recommended For Hardgainers/Ectomorphs-Supports Protein Synthesis-Added BCAA-Omega Rich Fats Not JUST calories. Quality calories.   MASS-TECH is th perfect solution for hardgainers that can't manage a muscle-building calorie intake without downing junk, garbage, and more junk. The versatility of MASS-TECH allows for one gigantic calorie bomb, or...

Sale!

Mutant Mass 2.2 kg

Our Price: $59.00

Mutant Mass Weight Gainer 2.2kg About Supplements.co.nz PVL Mutant Mass Mutant Mass is a powerful weight gainer that goes back to the basics. It's not just about quantity of calories and macronutrients, but quality. At the same time, Mutant Mass uses ingredients that actually serve a purpose, rather than act as mere fillers. Numbers mean nothing if they're not backed by...

Sale!

Optimum Nutrition Serious Mass 6lb

Our Price: $64.00

Optimum Nutrition Serious Mass 6lb About Supplements.co.nz Optimum Nutrition Serious Mass   It's time to get SERIOUS about muscle gain with SERIOUS MASS.   For the ectomorphs out there who just can't eat enough. Serious Mass is an advanced weight gainer packed with quality calories, energy-providing carbs, muscle-supporting protein and other nutrients to build both strength and mass.   With...

Sale!

Gaspari MyoFusion Real Mass Advanced 12lb (5.44kg)

Our Price: $99.00

Gaspari MyoFusion Real Mass Advanced 12lb (5.44kg) About Supplements.co.nz Gaspari MyoFusion Real Mass Advanced Advanced weight gainer. Glycofuse supercarbs, 5g creatine monohydrate, 1,000 calories, incredible taste, gluten free. Building muscle is not a simple task. In order to develop significant size, you need to consume more calories than you burn, which can be challenging for those who are high performance athletes,...

Sale!

Optimum Nutrition Pro Gainer 10.16lb

Our Price: $169.00

Optimum Nutrition Pro Gainer 10.16lb AA Smartfuel Member? Save 10c OFF per litre on fuel when you spend between $100 - $199. Next discount up = 20c off per litre on fuel with expenditures between $200 - $299. Click here to see full fuel discount rates.   About Supplements.co.nz Optimum Nutrition Pro Gainer  High-Protein Weight GainerPutting on size requires a balance of heavy...

Sale!

BPI Bulk Muscle 5.8lb(2.64kg)

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BPI Bulk Muscle 5.8lb(2.64kg) About Supplements.co.nz BPI Bulk Muscle 5.8lb(2.64kg) Mass Gainer Without Excess Sugar And Fats Carefully Orchestrated Recipe To Help You Get Massive MAKE YOURSELFBIG Looking to put on some quality LEAN muscle? Well, your search ends here. Introducing BULK MUSCLE – a lean HARDCORE muscle building gainer. With BULK MUSCLE, you are getting more protein, more carbohydrates, more...

Sale!

MuscleMaxx Mass Gainer 12lb

Our Price: $85.95

MuscleMaxx Mass Gainer 12lb About Supplements.co.nz MuscleMaxx Mass Gainer MuscleMaxx Mass Gainer has arrived. With a massive 1,326 calories and 56 g of protein in every serving, you will pack on mass like never before. Powered by MAXXPRO Protein Blend Fortified with Mass Building BCAAs Stacked with Essential Amino Acids Unbelievable Taste Sensation! MuscleMaxx MASS GAINER's 4 blends provide you with...

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