Weight Gainers

Weight gain supplements are designed to support muscle growth and increase calorie intake. This category includes mass gainers and high-calorie formulas used to help build size and support training performance.

13 products

Applied Nutrition Critical Mass Professional is a high-calorie lean mass gainer designed to support muscle growth and weight gain. Each serving delivers over 560 calories, 45g of protein and a blend of carbohydrates, amino acids and performance ingredients to complement intense training programmes.
CNP Mass XL is a high-calorie mass gainer providing protein and carbohydrates to support increased calorie intake around training and throughout the day.
£44.95 £46.95
Dorian Yates Nutrition Game Changer Mass is a lean mass gainer delivering 600 kcal, 48g protein, and 90g carbs per serving, with added creatine, glutamine, and amino acids to complement muscle-building nutrition plans.
High-calorie mass gainer combining whey protein, complex carbohydrates, creatine and amino acids. Designed for athletes and hard gainers looking to increase daily calorie intake and support muscle growth.

PLEASE NOTE: We currently have a mix of old and new labelled stock of this item so you may receive either version. If you have any concerns or preference, please contact us before ordering.

Maxi Nutrition Progain is a high-calorie mass gainer combining whey protein and carbohydrates to support weight gain and recovery.

MuscleTech Mass-Tech Elite is a high-protein mass gainer combining whey protein, carbohydrates and creatine designed to support calorie intake, muscle growth and strength training programmes.
MuscleTech Mass-Tech Extreme 2000 is a high-calorie mass gainer combining protein, carbohydrates and creatine designed to support weight gain, muscle growth and intense training programmes.
Mutant Mass Extreme 2500 is a high-calorie weight gainer designed for hard gainers and individuals with high metabolic demands. Formulated to deliver substantial calories, protein and carbohydrates per serving, it supports structured bulking phases when combined with consistent training.
Reflex Instant Mass Heavyweight is a high-calorie mass gainer combining protein, carbohydrates and added nutrients designed to support weight gain and increased calorie intake during intense training programmes.
Reflex One Stop Xtreme is a comprehensive all-in-one with protein, carbs, BCAAs and 5g Creapure® creatine plus digestive support for serious training.
Sci-MX Total Mass is a high-calorie mass gainer combining protein and carbohydrates designed to support weight gain and muscle growth.
Sci-MX Ultra Muscle is an all-in-one mass gainer combining protein, carbohydrates, creatine and vitamins designed to support muscle growth and recovery.
USN Muscle Fuel Anabolic is a high-calorie mass gainer delivering 54g multi-source protein and 5g creatine per serving.

Weight Gainers for Muscle Growth and Calorie Intake

Weight gain supplements, also known as mass gainers, are designed to provide a convenient way to increase calorie intake and support muscle growth. They are commonly used by those looking to build size, particularly when it is difficult to consume enough calories through food alone.

This category includes products that combine carbohydrates, protein and additional nutrients to support training, recovery and overall calorie intake. These supplements are often used during bulking phases or by individuals with higher energy requirements.

Weight gainers are commonly used alongside creatine supplements and protein powders, helping to support strength, recovery and overall training performance.

If you're unsure how to use weight gainers effectively, you can read our guides on eating and supplementing for muscle gain, when to take mass gainers and how to gain weight and build muscle.

If you're looking for weight gain supplements in the UK, our range includes a variety of options designed to support muscle growth, calorie intake and performance.

Weight Gainer FAQs

What are weight gainers used for? Weight gainers are commonly used to increase calorie intake and support muscle growth.

Who should use weight gainers? They are typically used by individuals looking to gain weight, build muscle or increase calorie intake.

When should I take a mass gainer? Mass gainers are often taken after training or between meals to help increase daily calorie intake.

Can weight gainers replace meals? They can be used alongside meals, but whole foods should still form the foundation of your diet.

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