Mass Gainers | Best Mass Gainer 2025 | Mr Supplement Australia

Mass & Weight Gainers

Take your muscle-building goals to the next level with the best mass-gainers. Specifically designed to deliver the extra calories and nutrients required for weight and muscle gains, mass gainers are a powerful supplement for anyone looking to increase size, strength, and bulk.

Formulated with a balanced blend of carbohydrates, proteins, and healthy fats, these supplements provide a convenient and effective way to meet your calorie needs without compromising on nutrition.

Whether you're a hard gainer struggling to put on weight or an athlete aiming to build lean muscle, mass gainers are ideal for:

Supporting muscle growth with high-quality protein
Boosting calorie intake to fuel intense workouts and recovery
Promoting overall bulk and size for men and women alike

Explore our range of top-performing mass and weight gainers and discover the perfect product to help you achieve your fitness and physique goals in 2025.

Here at Mr Supplement, we’ve been supplying Australia’s best mass gainers and weight gain protein powders since 2004. Over the years, we’ve become a leading supplier of mass gainers, protein powders, and sports nutrition supplements, helping thousands of Australians achieve their muscle-building and weight gain goals.

Today, we offer an extensive range of top-quality mass gainers to suit hard gainers, bodybuilders, and anyone looking to bulk up effectively. Whether you’re after high-calorie weight gainers, lean mass gainers, or all-in-one bulking supplements, you’ll find Australia’s leading brands and formulas right here at Mr Supplement. Some of our most popular products include:

Optimum Serious Mass — One of the most iconic mass gainers, offering 1250 calories per serving, 50g of protein, and over 250g of carbs, perfect for serious size and strength gains.
Elemental Anabolic Mass — Designed for clean bulking, this formula combines high-quality proteins, complex carbs, and test boosters to support muscle growth, recovery, and performance.
Max’s SuperSize Ultra — A trusted Australian favourite, delivering a high-calorie mass gainer with a blend of fast and slow-digesting proteins, making it ideal for hard gainers.
International Extreme Mass — A premium weight gainer designed to fuel rapid weight gain and muscle recovery, packed with protein, carbs, and essential nutrients to maximise your results.

You can view our complete range of mass gainers and weight gain protein powders right here online. We proudly support both local Australian brands and leading international names, giving you access to the best products available. Plus, you can check out reviews and customer testimonials to help you choose the best mass gainer for your goals.

If you’re not sure which mass gainer is right for you, get in touch with our friendly team — we’re always happy to help you find the perfect product to support your bulking journey. At Mr Supplement, we’re proud to bring you the best mass gainers in Australia, always at competitive prices with fast delivery nationwide.

Whether you’re just starting out or looking for the next product to take your gains to the next level, we’re here to help you build size, strength and confidence.

Mass Gainer Protein Powder