UK retailer price comparison
Compare recently checked offers for products reviewed as Mass Gainer powders. Known delivery is included when available; missing delivery, serving and nutrition values are never estimated.
Current coverage: 15 products, 47 fresh offers and 5 retailers. 2 products currently have multiple retailers.
Latest retailer check: 25 Sept 2026, 13:15
Products with broader retailer coverage appear first. This is a coverage-first price comparison, not a ranking of taste, formulation, effectiveness or suitability.
1. GYM HIGH
8 recently checked in-stock offers from 6 Pack Supplements, GYM HIGH.
Offer checked 25 Sept 2026, 10:34
Lowest current delivered price
£34.98
Includes known delivery
Available at 6 Pack Supplements
2. Applied Nutrition
5 recently checked in-stock offers from Discount Supplements, eBay UK.
Offer checked 25 Sept 2026, 13:15
Lowest current delivered price
£42.98
Includes known delivery
Available at Discount Supplements
3. 7Nutrition
6 recently checked in-stock offers from 6 Pack Supplements.
Offer checked 25 Sept 2026, 09:46
Current available price
£24.98
Includes known delivery
Available at 6 Pack Supplements
4. Applied Nutrition
5 recently checked in-stock offers from 6 Pack Supplements.
Offer checked 25 Sept 2026, 09:46
Current available price
£44.98
Includes known delivery
Available at 6 Pack Supplements
5. 7Nutrition
4 recently checked in-stock offers from 6 Pack Supplements.
Offer checked 25 Sept 2026, 09:46
Current available price
£42.98
Includes known delivery
Available at 6 Pack Supplements
6. NXT Nutrition
4 recently checked in-stock offers from 10 Reps.
Offer checked 25 Sept 2026, 09:12
7. Medi Evil Nutrition
3 recently checked in-stock offers from 6 Pack Supplements.
Offer checked 25 Sept 2026, 09:46
Current available price
£53.98
Includes known delivery
Available at 6 Pack Supplements
8. USN
3 recently checked in-stock offers from 6 Pack Supplements.
Offer checked 25 Sept 2026, 09:46
Current available price
£54.98
Includes known delivery
Available at 6 Pack Supplements
9. CNP
3 recently checked in-stock offers from 10 Reps.
Offer checked 25 Sept 2026, 09:12
10. Ghost
3 recently checked in-stock offers from 10 Reps.
Offer checked 25 Sept 2026, 09:12
11. BioTech USA
2 recently checked in-stock offers from 6 Pack Supplements.
Offer checked 25 Sept 2026, 09:46
Current available price
£44.98
Includes known delivery
Available at 6 Pack Supplements
12. Applied Nutrition
1 recently checked in-stock offer from eBay UK.
Offer checked 25 Sept 2026, 11:36
Current available price
£46.97
Includes known delivery
Available at eBay UK
13. Mutant
Availability being rechecked; latest verification 14 Sept 2026, 09:07. Evidence from 2 retailers.
No price is currently eligible for ranking.
Old prices and retailer purchase links remain hidden until a new check qualifies.
View product14. Optimum Nutrition
Availability being rechecked; latest verification 29 Jun 2026, 13:33. Evidence from 1 retailer.
No price is currently eligible for ranking.
Old prices and retailer purchase links remain hidden until a new check qualifies.
View product15. Rule1
Availability being rechecked; latest verification 29 Jun 2026, 13:34. Evidence from 1 retailer.
No price is currently eligible for ranking.
Old prices and retailer purchase links remain hidden until a new check qualifies.
View productOnly active, unmerged canonical products in the reviewed Mass Gainer category with a confirmed powder format are included. Generic protein powders, ready-to-drink shakes, bars and products with unresolved formats stay outside this comparison.
Only mapped, in-stock offers checked within 24 hours are shown. Known delivered totals rank ahead of offers with unknown delivery. Verified per-kilogram, serving and protein metrics appear only when the required evidence is available.
31 older or unusable in-stock offers are excluded. Confirm final price and stock with the retailer.
No. Ordering favours current retailer and offer coverage. We do not make an unsupported quality, effectiveness or health ranking.
No. Products and variants can differ in pack size, flavour and serving information. Check the exact variant and retailer label before buying.
A recently checked offer can still be useful, but a product needs offers from more than one retailer before it provides a direct price comparison.
A price may be current while package, serving or nutrition evidence is incomplete. Unverified calculations remain hidden.
We only feature this comparison in search when it includes enough recently checked offers from multiple UK retailers. If coverage is temporarily limited, you can still use the page, but we will not present it as a complete market comparison.