CompareMass Gainers
Find the UK's cheapest prices
Compare high-calorie powders by serving cost, calories and protein before deciding whether a commercial gainer beats a homemade shake.
FlavourSize (g)QtyServingsOfferTotal Per serving 4000132 £25.99 30.0g479£0.812 |
FlavourSize (g)QtyServingsOfferTotal Per serving 5000137 £39.99 28.0g460£1.081 |
FlavourSize (g)QtyServingsOfferTotal Per serving 5000159 £68.99 37.0g314£1.169 2500129 £37.99 37.0g314£1.310 1000112 £16.99 37.0g314£1.416 |
FlavourSize (g)QtyServingsOfferTotal Per serving 2500125 £29.99 31.0g369£1.200 |
FlavourSize (g)QtyServingsOfferTotal Per serving 5000150 £67.99 31.0g391£1.360 2500125 £35.49 29.0g383£1.420 1000110 £14.99 29.0g383£1.499 |
FlavourSize (g)QtyServingsOfferTotal Per serving 5000132 £54.99 43.0g572£1.718 2500116 £29.99 43.0g572£1.874 100016 £12.99 43.0g572£2.165 |
FlavourSize (g)QtyServingsOfferTotal Per serving 2500120 £34.99 33.0g451£1.750 |
Buying guidance
Understand the comparison
Compare high-calorie powders by serving cost, calories and protein before deciding whether a commercial gainer beats a homemade shake.
Buying Guide
Best Mass Gainer UK: Best Options Compared for 2026
Best UK mass gainer 2026: Optimum Nutrition Serious Mass at 1,250 kcal and 50g protein leads. Applied Nutrition Critical Mass Professional is highest protein. Warrior wins on price.
8 min read
Brand Comparison
Mass Gainer vs Whey Protein: Price, Quality and Value Compared
Both products are sold as bulking supplements. One is a protein source. The other is a meal replacement in powder form. Choosing the wrong one is a common and costly mistake. Here is exactly how to decide which belongs in your stack.
6 min read
Buying Guide
How to Use Mass Gainer without Getting Fat: A Practical Step-by-Step Guide
Mass gainers are calorie-dense by design. Used without a plan, they make fat gain almost inevitable. Used correctly, with accurate calorie tracking and a sensible surplus, they are an efficient tool for lean muscle growth. Here is exactly how to do it right.
6 min read