Mutant Mass Extreme 2500 is an ultra-dense, extreme mass gainer engineered specifically for hardgainers, bodybuilders, and powerlifters in Australia who struggle to hit the massive caloric surplus required to build serious size. Formulated with high-quality carbohydrates, a multi-source whey protein blend, and critical healthy fats, this high-impact gainer supplies the heavy-duty nutrition needed to drive rapid weight gain, accelerate muscle recovery, and power through grueling lifting sessions.

Key Benefits & Features

• Extreme Caloric Density: Delivers up to 1270 calories per serving when mixed with water (or 2540 calories when mixed with whole milk) to break through weight gain plateaus.

• 46g Quality Protein Blend: Packed with 100% pure whey protein concentrate, isolate, and hydrolyzed whey to maximize muscle protein synthesis.

• Complex Carbohydrate Matrix: Features 255g of clean carbs sourced from whole foods like sweet potato, oat flour, and waxy maize to replenish glycogen stores.

• Fortified with Essential Fatty Acids: Enhanced with coconut oil, avocado, and pumpkin seeds to deliver healthy fats and sustained metabolic energy.

• Rich Milkshake Taste & Texture: Engineered to dissolve smoothly with a delicious taste that makes getting extra calories easy and enjoyable.

How It Works

Building hard muscle mass requires a consistent caloric surplus, which can be difficult to achieve through whole foods alone for those with high metabolic rates. Mutant Mass Extreme 2500 solves this by consolidating massive amounts of clean macronutrients into a single, high-yielding liquid meal. The core carbohydrate matrix provides both fast and slow-digesting carbs to drive cellular glycogen replenishment without causing harsh energy crashes.

To support rapid muscle repair and hypertrophy, the protein matrix delivers 46 grams of high-biological-value whey protein rich in naturally occurring BCAAs and EAAs. Paired with added digestive enzymes to maximize nutrient absorption and minimize digestive heavy-headedness, this powerful mass gainer ensures your body stays in a constant state of anabolic growth.

Recommended Use

Mix 1 serving (4 level scoops) with 480–960 ml of cold water or whole milk in a large shaker cup or blender for 20–30 seconds. Consume 1 serving daily. For maximum results, take 1/2 serving (2 scoops) between meals and another 1/2 serving immediately post-workout, or whenever you need to hit your daily caloric targets.

Container Size: 12lb 
Serving Size: 4 Scoops 
Servings Per Container: 

Please Note: Nutritional Information is to be used as a guide only, actual values may differ between flavours and sizes and when formulations are modified or updated by the manufacturer. 
Contact us if you have any questions regarding this products ingredients.

We use NZ Couriers as our courier service using an international service. NZ Couriers provides our customers with fast and reliable delivery to destinations across their comprehensive AUS network. 

Standard orders over $60.00 receive free* shipping nationwide, excluding WA, NT, TAS.
Standard delivery starts from $12.90 per shipment for orders under $60.00 
Signature Required $14.90 per shipment. Please ensure you do not have the 'authority to leave' authorization set up at your address with NZ Couriers should you wish to use this service.
If you don't want NZ Couriers to leave your parcel unattended, please select the signature required option. This is especially recommended for high value orders. Neither NZ Couriers nor Sprint Fit are liable for parcels that are stolen, damaged or lost after an item has been delivered.

Final pick up each day is at 3.45pm Monday to Friday. 

*Excludes public holidays and weekends as courier is closed

Click here to view the full Shipping Details and Returns Policy.