Skip to content
FREE SHIPPING ON ORDERS OVER $149
FREE SHIPPING ON ORDERS OVER $149

International Protein Heavy Weight Mass Gainer

Original price $38.11 - Original price $119.95
Original price $38.11
$119.95
$69.95 - $119.95
Current price $119.95
Australian Store

Australian Based Store

Selling for over 30 years

Competitive Prices

Competitive Prices

Giving you the best deals

International Protein Heavy Weight Protein – Hard Gainer Mass Formula. Struggling to gain weight with a fast metabolism? Heavy Weight Protein is your go-to solution for serious mass building. Designed specifically for hard gainers, this super-concentrated, high-calorie formula delivers a massive protein and energy boost in every serve—fueling lean muscle growth, recovery, and performance.

Made from grass-fed whey and enriched with quality carbs, MCT oils, ModCarb™, BCAAs, glutamine, digestive enzymes, and essential vitamins, this is one of the most advanced weight gainers on the market.


Why You’ll Love It

  • 1050 calories per serve when mixed with skim milk
  • 85g of timed-release protein for sustained muscle growth (WPC, WPI, caseinate, peptides)
  • Multi-phase protein blend supports muscle repair for up to 8 hours
  • Carbohydrate complex with ModCarb™ for slow, medium, and fast absorption
  • Omega-rich fats & MCT oil to fuel fast metabolisms
  • Added BCAAs and glutamine to enhance recovery and growth
  • DigeZyme® enzyme complex for better digestion and absorption
  • 12 vitamins & minerals to support energy, immunity, and performance
  • Made from grass-fed protein—naturally high in beta-carotene, Vitamin D & CLA

How to Use
Mix 220g (6 scoops) with 400–500ml of skim milk. Enjoy once daily as a full serving or split into two smaller servings throughout the day. Take between meals, post-workout, or even as a meal replacement. Can be blended with fruits or oats for a high-calorie smoothie.


Who It’s For
Perfect for men and women aged 15+ engaging in high-intensity training who struggle to meet calorie or protein requirements. Whether you're a bodybuilder, athlete, or just have a fast metabolism, Heavy Weight Protein supports healthy weight gain and performance recovery.


Key Product Details

  • Calories: 1050 per serve (with skim milk)
  • Protein: 85g per serve
  • Carbohydrates: Multi-phase carb blend incl. ModCarb™ & trehalose
  • Fats: Omega-rich blend & MCT oil for calorie-dense energy
  • Additives: BCAAs, glutamine, taurine, DigeZyme®
  • Vitamins/Minerals: Includes Vitamin C, D, E, B1, B2, B6, B12, folate, iron, zinc & more
  • Free From: Artificial fillers – made from quality ingredients
  • Grass-fed whey for superior nutrient density

Get the calories, nutrients, and recovery power you need to grow—Heavy Weight Protein is the serious solution for serious gainers.

Dymatize Elite 100% Whey Protein

Dymatize Elite 100% Whey Protein

$69.95

Flavour:

Size:

$69.95

Ultimate Muscle Gainer Pack

Ultimate Muscle Gainer Pack

$171.95

$171.95

BodyScience BSc Clean Plant Protein

BodyScience BSc Clean Plant Protein

$69.95

Flavour:

Size:

$69.95

Scivation Xtend Original BCAA

Scivation Xtend Original BCAA

$48.95

Flavour:

Size:

$48.95

SHRED Bundle: Fat Loss Maxed Out.

SHRED Bundle: Fat Loss Maxed Out.

$89.95

$89.95

BodyScience BSc Violet Crumble Protein Powder

BodyScience BSc Violet Crumble Protein Powder

$40.00

Flavour:

Size:

$40.00

BodyScience BSc Pure Creatine

BodyScience BSc Pure Creatine

$32.00

Size:

$32.00

Dymatize Elite 100% Whey Protein

Key Features

  • 25g protein per serving – Whey protein blend
  • Multiple protein forms – Isolate, concentrate, and peptides
  • Cross-flow microfiltration – Advanced processing technology
  • Rich Chocolate flavour – Delicious taste option
  • Easy mixing – Smooth texture and solubility
  • Gluten-free – Suitable for gluten-free diets
Dymatize Elite 100% Whey Protein

Dymatize Elite 100% Whey Protein

$69.95

Flavour:

Size:

Ultimate Muscle Gainer Bundle

🏋️ What’s Included

Dymatize Super Mass Gainer (12lb)

A calorie-dense mass gainer packed with protein, carbohydrates, and essential nutrients to support rapid muscle growth, weight gain, and recovery.

BSC Creatine (200g)

Clinically proven creatine to help increase strength, power output, and muscle performance during high-intensity training.

🎁 FREE With This Pack

When you purchase the Ultimate Muscle Gainer Pack, you automatically receive all of the following at no extra cost:

✅ 1 FREE C4 Shaker Bottle

✅ 2 FREE SC Bars

✅ 4 FREE Dymatize Samples

Try additional premium Dymatize products before committing to full-size tubs.

Ultimate Muscle Gainer Pack

Ultimate Muscle Gainer Pack

$171.95

BodyScience BSc Clean Plant Protein

Why You’ll Love It:

  • 27–30g protein per serve from pea, rice, faba bean, and ancient grains
  • 5 digestive enzymes to support gut health and nutrient absorption
  • Less than 1g sugar and under 5g carbs per serve
  • 100% vegan and made from certified organic ingredients
  • Packaged sustainably – good for you, better for the planet
BodyScience BSc Clean Plant Protein

BodyScience BSc Clean Plant Protein

$69.95

Flavour:

Size:

Scivation Xtend Original BCAA

Key Features

  • 7g amino acids – Leucine, Isoleucine, Valine in 2:1:1 ratio
  • No sugar or carbohydrates – Sugar-free formulation
  • Calorie-free – Contains zero calories
  • Powder format – Mixes with water
  • Multiple flavours – Various taste options
  • Daily drink option – Can be consumed regularly
Scivation Xtend Original BCAA

Scivation Xtend Original BCAA

$48.95

Flavour:

Size:

SHRED Bundle: Fat Loss Maxed Out.

🔥 What’s Included

  1. Onest HyperBurn Fat Burner. A thermogenic formula designed to help support fat metabolism, energy, and focus during your workouts and daily routine.
  2. ATP Acetyl L-Carnitine. Helps support fat utilization, endurance, and overall performance by assisting your body in converting fat into usable energy.

🎁 FREE With This Bundle

When you grab the Shred Shaker Bundle, you automatically get all of this at no extra cost:

✅ 1 FREE C4 Shaker Bottle. Perfect for mixing your supplements on the go.

✅ 2 FREE SC Bars. Delicious, convenient snack bars to fuel your day.

✅ 4 FREE Dymatize Samples. Try premium Dymatize products before committing to a full size.

SHRED Bundle: Fat Loss Maxed Out.

SHRED Bundle: Fat Loss Maxed Out.

$89.95

BodyScience BSc Violet Crumble Protein Powder

Why You’ll Love It

  • 27g of high-quality protein per serve to support muscle recovery and growth
  • Violet Crumble inspired flavour – indulgent taste without the sugar crash
  • Triple protein blend: WPC, Milk Protein Concentrate & WPI
  • Low fat and low sugar to support lean goals
  • 5x digestive enzymes for better absorption and gut support
  • Gluten-free formula for easy digestion
  • Australian-first collaboration between BSc and Violet Crumble
BodyScience BSc Violet Crumble Protein Powder

BodyScience BSc Violet Crumble Protein Powder

$40.00

Flavour:

Size:

BodyScience BSc Pure Creatine

Key Features

  • 100% pure creatine monohydrate – Single ingredient formula
  • Micronised powder – Improved solubility and mixing
  • Clean formulation – No added sugar, fillers, or flavours
  • Unflavoured – Versatile for mixing with various beverages
  • Dietary friendly – Suitable for vegan and vegetarian diets
  • Quality tested – Batch-tested for purity
BodyScience BSc Pure Creatine

BodyScience BSc Pure Creatine

$32.00

Size:

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare