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 25g protein 4000161 £33.99£42.99 -21%25.0g260£0.558 |
FlavourSize (g)QtyServingsOfferTotal Per 25g protein 5000148 £26.99 25.0g510£0.562 3000128.8 £23.99 25.0g510£0.833 2000119.2 £16.99 25.0g510£0.885 |
FlavourSize (g)QtyServingsOfferTotal Per 25g protein 5000149.6 £31.99 25.0g385£0.645 |
FlavourSize (g)QtyServingsOfferTotal Per 25g protein 4000138.4 £25.99£58.49 -56%25.0g399£0.677 |
FlavourSize (g)QtyServingsOfferTotal Per 25g protein 4000138.4 £25.99£58.49 -56%25.0g399£0.677 |
FlavourSize (g)QtyServingsOfferTotal Per 25g protein 5000186 £68.99 25.0g215£0.802 2500143 £37.99 25.0g215£0.883 1000117.2 £16.99 25.0g215£0.988 |
FlavourSize (g)QtyServingsOfferTotal Per 25g protein 5000144 £39.99£69.99 -43%25.0g426£0.909 |
FlavourSize (g)QtyServingsOfferTotal Per 25g protein 5000144 £39.99£69.99 -43%25.0g426£0.909 |
FlavourSize (g)QtyServingsOfferTotal Per 25g protein 2500131 £29.99 25.0g298£0.967 |
FlavourSize (g)QtyServingsOfferTotal Per 25g protein 5000156 £54.99 25.0g329£0.982 2500128 £29.99 25.0g329£1.071 1000111.2 £12.99 25.0g329£1.160 |
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
Serious Mass is the high-calorie pick; Applied Nutrition Critical Mass Professional is the tested-sport option; Warrior is the budget alternative when stocked.
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