International Protein Extreme Mass – High-Calorie Lean Mass Gainer. If you're a hard gainer or someone needing serious fuel for muscle growth, Extreme Mass by International Protein delivers what your body demands. This dangerously anabolic mass gainer combines 5 high-quality protein sources with multi-phase carbs and performance fats like MCTs to drive serious size and strength gains.

Designed for athletes with fast metabolisms or demanding training loads, Extreme Mass packs in clean calories to help build lean mass—not just fat. With a perfect 50/50 ratio of protein and carbs, it's the ultimate fuel for energy, recovery, and growth.

Why You’ll Love It:
• 5 protein sources: WPI, WPC, Micellar Casein, Hydrolysed Peptides & Egg Albumen
• High-calorie formula for rapid weight and muscle gain
• Balanced blend of fast-burning MCTs + healthy fats (omega-3 & 6)
• Multi-phase carbohydrate system for immediate and sustained energy
• Supports muscle recovery and growth with extended amino acid release
• Perfect for hard gainers and highly active individuals
• Delicious flavours including Choc Banana, Strawberry, Caramel Popcorn & more
• Gluten-free, no fillers or stabilisers

How to Use:
Mix 100g (approx. 3 scoops) with 500ml of low-fat milk or soy milk.
Take 2–3 servings daily in addition to meals. Best taken mid-morning, mid-afternoon, or before bed.

Who It’s For:
Ideal for hard gainers, bodybuilders, power athletes, tradies, and anyone who needs high-calorie nutrition to fuel muscle growth, training, recovery, or weight maintenance. Also suitable during recovery from illness or heavy physical work.

Size: 1.5kg / 4kg
Form: Flavoured powder
Free From: Gluten
Contains: Milk, Egg, Soy
Diet Suitability: Not vegan, not paleo-friendly

Extreme Mass – when serious muscle gain is the mission, this is your weapon.