Weight Gainers

Critical Mass™ Professional is a high-calorie mass gainer with premium protein blend, complex carbs, and added creatine to support muscle growth and recovery.

CNP Mass XL is a calorie-dense mass gainer delivering protein and carbohydrates to support increased energy needs and muscle development.

Dorian Yates Game Changer Mass is a lean mass-gainer delivering 600 kcal, 48 g protein, and 90 g carbs per serving, with added creatine, glutamine, and BCAAs—designed to fuel muscle growth with minimal sugar and fat.

Maxinutrition Progain (formerly Maximuscle Progain) is a scientifically proven blend of high-quality whey protein that delivers great taste, great results and supports your mass gaining goals.

Available in four delicious flavours - Chocolate, Vanilla, Strawberry, Banoffee. Progain is free from artificial colours, artificial flavours and unnecessary thickeners for a cleaner taste and better consistency. It is gluten free, soy free and suitable for vegetarians. Plus, the MaxiNutrition 100% guarantee is our assurance that only natural colours and flavours are used to give you a delicious protein shake that is both smooth and satisfying. 

MuscleTech® researchers developed this advanced muscle mass gainer for those who have struggled with adding size, are in their bulking phase or want to break through their gaining plateaus. See the results from all your hard work in the gym – Mass-Tech™ Elite delivers high biological value protein, along with the clean calories, carbs and creatine to help you perform at your best.

Each calorie-dense serving is enhanced with a 3g dose of creatine and contains 80g of premium protein when mixed with 510 mL of skim milk.

Mass-Tech™ Extreme 2000 from Muscletech has what you need to pack on muscle, add size and work towards those strength goals. Reignite your training with a great-tasting, high density, clean calorie, mass gain shake that provides a supplemental 2,000 plus calories per day.

Please Note: Images shown are new packaging. We currently have a mix of new and old packaging.

Mutant Mass Extreme 2500 is designed for extreme hard gainers and those with rapid metabolisms who struggle to eat enough to gain size. Mixed with two cups of 1% milk, each serving delivers an impressive 1,270 calories with 46 g protein, 255 g carbohydrates, and 7.5 g healthy fat.

Reflex Instant Mass® Heavyweight is a high-calorie mass gainer expertly formulated to support serious size and strength goals. It delivers a premium multi-stage protein blend combining Whey Protein Concentrate, Micellar Casein, Native Whey, and Hydrolysed Whey Protein—each selected for its unique absorption rate and muscle-building benefits. The whey protein concentrate is carefully extracted from milk, while hydrolysed whey is enzymatically broken down for ultra-fast digestion and rapid uptake. Alongside its powerful protein matrix, Instant Mass® Heavyweight includes a substantial serving of complex carbohydrates to provide a sustained source of energy, helping to fuel intense training sessions and promote recovery. Ideal for hard gainers or those looking to increase muscle mass and calorie intake, it’s a complete nutritional solution designed to help you push harder and grow stronger.

One Stop® Xtreme is a powerful all-in-one muscle-building shake, delivering 55g protein, 10.3g BCAAs, 73g low GI carbohydrates, and 5,000mg Creapure® creatine per 145g serving. It also includes friendly bacteria, Digezyme® digestive enzymes, and key amino acids like L-Leucine, Beta Alanine, Betaine Anhydrous, and Taurine to support strength, endurance, and recovery. Fortified with essential vitamins and minerals, Reflex One Stop® Xtreme helps maintain protein synthesis, immune function, and normal testosterone levels — everything you need to fuel intense training and maximise results.

USN Muscle Fuel Anabolic is an all-in-one gain protein powder with 54g of a multi-source protein matrix and 5g of creatine per serving. Designed to maximize physical performance with essential and branched-chain amino acids, this advanced formula may assist with a lean gain program.