Estimated delivery by Tue Nov 17 · +48 hrs for Black Friday
from 6 verified customers2 sizes / 5 flavours
Extreme Mass by International Protein
Price
$80.00
$99.95
$5.33 per serve 15 servesNutritional info
- 4 payments of $20.00*
- 4 payments of $20.00*
- From $13.33* a week
- Supports weight and muscle gain
- Provides a high-calorie serve
- Supports training recovery
- Mixes easily into any drink
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Add $70.00 and shipping is free
- Free gift when you spend $200
- Free postage on orders over $150
- East & west coast dispatch
- Easy returns within 30 days
Good fit for
- Weight gain
- Lean muscle
- Hard gainers
Not for
- Dairy allergy or lactose intolerance
- Vegan diets
- Anyone cutting calories
About this product
- Free standard shippingFREEOrders $150 and over, anywhere in Australia.
- Standard$12.95Orders under $150. Tracked, from the warehouse closest to you.
- Express$19.95Australia Post express network, any order value.
- Express + Skip The Line$29.95Your order is picked and packed ahead of the queue, then sent express.
- Click & collectFREEReady in 4 hours at any of our 58 stores. No minimum.
- Australia Post parcel lockerSAME RATESHave it sent to a 24/7 parcel locker instead of your door and collect whenever suits. Choose a locker address at checkout; standard and express rates apply as above.
- Shipping insurance$1.99Optional freight protection, added in the cart.
- Eco bag$0.99A reusable Supplement Mart bag you can add to your order.
- Heavy RTD levy$20Cartons of ready-to-drink only. The $150 free threshold still applies to the rest of the order.
Black Friday volume means orders are taking a little longer to leave us than usual. The rates above are what you will see at checkout.
Unopened and unused, send it back within 30 days for a refund or a swap. Change of mind included. Sealed tubs only, for obvious reasons.
Not sure which one is right for you? Ask us in chat, or walk into any of our 58 stores across Australia. Our staff train, so you get an answer rather than a sales pitch.
INSIDE EVERY SERVE
*** Clearance special - Select 1.5kg and 4kg reduced! Whilst stock reduced ***
- 42.5gProtein Per Serve
- 15Serves Per Tub
- 429Calories Per Serve
Sugars 9g per serveServing size 100g serveContains Milk. The per-100g column is with 500ml low fat milk. Values are averages across all flavours.
NUTRITION & INGREDIENTS
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 1793kJ(429Cal) | 2817kJ |
| Protein | 42.5g | 62.5g |
| Fat - Total | 9.4g | 14.4g |
| - Saturated | 4.7g | 7.7g |
| - Trans | 0.1g | 0.2g |
| - Polyunsaturated | 2.6g | 2.7g |
| - Monounsaturated | 2g | 3.2g |
| Carbohydrates - Total | 42.5g | 71.5g |
| - Sugars | 9g | 38g |
| - Lactose | 1.7g | 30.7g |
| Dietary Fibre | less than 1 g | less than 1 g |
| Sodium | 135mg | 385mg |
| Potassium | 300mg | 600mg |
| Calcium | 240mg | 940mg |
| MCT Oils | 2.8g | 2.8g |
Allergens
Contains Milk. The per-100g column is with 500ml low fat milk. Values are averages across all flavours.
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 1793kJ(429Cal) | 2817kJ |
| Protein | 42.5g | 62.5g |
| Fat - Total | 9.4g | 14.4g |
| - Saturated | 4.7g | 7.7g |
| - Trans | 0.1g | 0.2g |
| - Polyunsaturated | 2.6g | 2.7g |
| - Monounsaturated | 2g | 3.2g |
| Carbohydrates - Total | 42.5g | 71.5g |
| - Sugars | 9g | 38g |
| - Lactose | 1.7g | 30.7g |
| Dietary Fibre | less than 1 g | less than 1 g |
| Sodium | 135mg | 385mg |
| Potassium | 300mg | 600mg |
| Calcium | 240mg | 940mg |
| MCT Oils | 2.8g | 2.8g |
Allergens
Contains Milk. The per-100g column is with 500ml low fat milk. Values are averages across all flavours.
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 1793kJ(429Cal) | 2817kJ |
| Protein | 42.5g | 62.5g |
| Fat - Total | 9.4g | 14.4g |
| - Saturated | 4.7g | 7.7g |
| - Trans | 0.1g | 0.2g |
| - Polyunsaturated | 2.6g | 2.7g |
| - Monounsaturated | 2g | 3.2g |
| Carbohydrates - Total | 42.5g | 71.5g |
| - Sugars | 9g | 38g |
| - Lactose | 1.7g | 30.7g |
| Dietary Fibre | less than 1 g | less than 1 g |
| Sodium | 135mg | 385mg |
| Potassium | 300mg | 600mg |
| Calcium | 240mg | 940mg |
| MCT Oils | 2.8g | 2.8g |
Allergens
Contains Milk. The per-100g column is with 500ml low fat milk. Values are averages across all flavours.
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 1793kJ(429Cal) | 2817kJ |
| Protein | 42.5g | 62.5g |
| Fat - Total | 9.4g | 14.4g |
| - Saturated | 4.7g | 7.7g |
| - Trans | 0.1g | 0.2g |
| - Polyunsaturated | 2.6g | 2.7g |
| - Monounsaturated | 2g | 3.2g |
| Carbohydrates - Total | 42.5g | 71.5g |
| - Sugars | 9g | 38g |
| - Lactose | 1.7g | 30.7g |
| Dietary Fibre | less than 1 g | less than 1 g |
| Sodium | 135mg | 385mg |
| Potassium | 300mg | 600mg |
| Calcium | 240mg | 940mg |
| MCT Oils | 2.8g | 2.8g |
Allergens
Contains Milk. The per-100g column is with 500ml low fat milk. Values are averages across all flavours.
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 1793kJ(429Cal) | 2817kJ |
| Protein | 42.5g | 62.5g |
| Fat - Total | 9.4g | 14.4g |
| - Saturated | 4.7g | 7.7g |
| - Trans | 0.1g | 0.2g |
| - Polyunsaturated | 2.6g | 2.7g |
| - Monounsaturated | 2g | 3.2g |
| Carbohydrates - Total | 42.5g | 71.5g |
| - Sugars | 9g | 38g |
| - Lactose | 1.7g | 30.7g |
| Dietary Fibre | less than 1 g | less than 1 g |
| Sodium | 135mg | 385mg |
| Potassium | 300mg | 600mg |
| Calcium | 240mg | 940mg |
| MCT Oils | 2.8g | 2.8g |
Allergens
Contains Milk. The per-100g column is with 500ml low fat milk. Values are averages across all flavours.
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 1793kJ(429Cal) | 2817kJ |
| Protein | 42.5g | 62.5g |
| Fat - Total | 9.4g | 14.4g |
| - Saturated | 4.7g | 7.7g |
| - Trans | 0.1g | 0.2g |
| - Polyunsaturated | 2.6g | 2.7g |
| - Monounsaturated | 2g | 3.2g |
| Carbohydrates - Total | 42.5g | 71.5g |
| - Sugars | 9g | 38g |
| - Lactose | 1.7g | 30.7g |
| Dietary Fibre | less than 1 g | less than 1 g |
| Sodium | 135mg | 385mg |
| Potassium | 300mg | 600mg |
| Calcium | 240mg | 940mg |
| MCT Oils | 2.8g | 2.8g |
Allergens
Contains Milk. The per-100g column is with 500ml low fat milk. Values are averages across all flavours.
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 1793kJ(429Cal) | 2817kJ |
| Protein | 42.5g | 62.5g |
| Fat - Total | 9.4g | 14.4g |
| - Saturated | 4.7g | 7.7g |
| - Trans | 0.1g | 0.2g |
| - Polyunsaturated | 2.6g | 2.7g |
| - Monounsaturated | 2g | 3.2g |
| Carbohydrates - Total | 42.5g | 71.5g |
| - Sugars | 9g | 38g |
| - Lactose | 1.7g | 30.7g |
| Dietary Fibre | less than 1 g | less than 1 g |
| Sodium | 135mg | 385mg |
| Potassium | 300mg | 600mg |
| Calcium | 240mg | 940mg |
| MCT Oils | 2.8g | 2.8g |
Allergens
Contains Milk. The per-100g column is with 500ml low fat milk. Values are averages across all flavours.
| Per serve | Qty | Per 100g |
|---|---|---|
| Energy | 1793kJ(429Cal) | 2817kJ |
| Protein | 42.5g | 62.5g |
| Fat - Total | 9.4g | 14.4g |
| - Saturated | 4.7g | 7.7g |
| - Trans | 0.1g | 0.2g |
| - Polyunsaturated | 2.6g | 2.7g |
| - Monounsaturated | 2g | 3.2g |
| Carbohydrates - Total | 42.5g | 71.5g |
| - Sugars | 9g | 38g |
| - Lactose | 1.7g | 30.7g |
| Dietary Fibre | less than 1 g | less than 1 g |
| Sodium | 135mg | 385mg |
| Potassium | 300mg | 600mg |
| Calcium | 240mg | 940mg |
| MCT Oils | 2.8g | 2.8g |
Allergens
Contains Milk. The per-100g column is with 500ml low fat milk. Values are averages across all flavours.
Disclaimer: Please note, while we try our best to keep up-to-date nutritional information available on the website, packaging and products can change, therefore this information should serve only as a guide. Please refer to actual packaging for latest information.
THE OTHER HALF OF YOUR STACK
More calories in, more output in the gym. That is the whole equation.
A gummy, no water needed
Great for everyday protein supplementation
The unglamorous half of a stack. Easy to skip, easy to add.
A capsule, no measuring needed
For training intensity
WHY IT WORKS
*** Clearance special - Select 1.5kg and 4kg reduced! Whilst stock reduced ***

- A powder, mixes into water
- A choice of 1.5kg or 4kg
- Great in six flavours
More about Extreme Mass
*** Clearance special - Select 1.5kg and 4kg reduced! Whilst stock reduced ***
Use International Protein Extreme Mass, a powerful mass-building supplement with 5 types of protein to maintain a highly anabolic state! Extremely rich in protein, this formulation contains a unique blend of complex carbohydrates plus canola, sunflower and fast burning MCT Oils, to maximise extreme mass and size gains. As a high-calorie weight gainer, International Protein Extreme Mass is genuinely rich in energy and makes it easy to consume the calories required for optimum lean weight gain.
- High in calories.
- With 5 types of protein.
- With MCT, canola & sunflower oils.
- Multi-phase formulation.
Fast-burning MCT oils have been added to this formula as they have many reported benefits. MCT oils provide rapid high-density energy, make you feel full for longer, improve metabolism, aid recovery and maintain muscle mass. The blend of canola and sunflower oils balance the saturated fat content. International Protein Extreme Mass is also high in the essential fatty acids omega 6 and omega 3. The combination of Hydrolysed Whey Protein Isolate (Whey Peptides), High Glycomacropeptide Whey Protein Isolate (WPI), Whey Protein Concentrate (WPC), Micellar Casein (Milk Protein Isolate) and Egg Albumen provide the necessary protein factors essential for muscle growth. Get the best out of yourself and include International Protein Extreme Mass in your workout routine!
| Product Details | |
|---|---|
| Size | 1.5kg or 4kg |
| Flavour | Caramel Popcorn, Choc Banana, Choc Truffle, Strawberry, Vanilla |
| Ingredients | Whey protein concentrate, whey protein isolate, micellar casein, maltodextrin, canola oil, sunflower oil, MCT oil, flavourings, sweeteners |
| Calories | 450 per Serve |
| Brand | International Protein |
| Benefits | Rich in Energy and High in Protein for Lean Weight Gain |
Nutritional Information

Directions of Use
- Mix 1 serve into water or milk and shake. Mixes quickly into a satisfying shake that won’t leave you bloated.
- Suitable for persons over the age of 15 who have difficulty consuming the required amount of energy (calories) to enable them to gain lean mass or maintain their bodyweight while undertaking high intensity resistance training or high levels of sport and other activities. Target athletes include, but are not limited to bodybuilders, power-lifters, rugby players, boxers and open-rules fighters and track and field athletes.
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4.7 / 5 from 6 reviews
4 Stars
Extreme Mass by International Protein
Best service but could through me some samples sometimes as I’m a supplement mart customer %100 so more samples to try new products would be nice so I don’t have to buy a whole product to see if I like it.. thankyou I hope I get a range…
Extreme mass by international protein
It’s an awesome product and works really well with a quick energy hit to help
Extreme Mass by International Protein
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