CHEAPEST
Choose size
21g
89
0.7g
0.2g
Bulk
Bulk Protein Range: UK Price Comparison
Every Bulk protein product tracked, ranked by cost per 25g protein. UK pricing across stocking retailers, every price read from the retailer’s own page and re-checked daily.
21 products trackedChecked daily
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Is Bulk a good brand?
Bulk is the right choice if you want consistent low pricing without tracking flash sales. The subscription model knocks 10 to 25 percent off every recurring order automatically. Pure Whey is the value flagship, the vegan and casein ranges are competitive, and Bulk publishes ingredient sourcing on most product pages if you care where your protein comes from. WheyWise tracks 24 Bulk products across 9 categories. The cheapest is £0.40 per 25g of protein on Soya Protein Isolate 5kg, ranging up to £2.08 across 2 UK retailers. The table below ranks every Bulk product by current cost.
Choose size
19.5g
95
1g
1.4g
Size
1kg
20g
94
1g
0.9g
17.3g
91
1.1g
1g
CHEAPEST
Choose size
14g
95
3g
1g
CHEAPEST
Choose size
22.5g
90
0.5g
0.1g
CHEAPEST
Choose size
20g
93
1g
0.5g
Choose size
17.8g
95
3.8g
0.9g
BULK GAINS
Size
2.5kg
7.8g
92
11g
1.5g
HIGHEST PROTEIN %
Size
2.27kg
20.3g
95
1.1g
1g
Size
2.5kg
19.2g
92
0.9g
1.3g
Choose size
7g
93
15g
1g
17g
90
2.9g
0.6g
16.3g
85
2.5g
1.3g
CHEAPEST
Choose size
20.3g
90
0.5g
0.1g
Choose size
18g
95
3g
1g
Choose size
20g
86
1.2g
0.2g
Choose size
16.3g
88
3.8g
0.8g
Choose size
5.5g
93
15g
1g
Choose size
19.5g
100
2g
1.4g
20g
88
0.8g
0.1g
Browse All Bulk Products (21)
About Bulk
UK prices on every Bulk product we track, ranked by cost per 25g of protein. Every price is read from the retailer’s own page and re-checked daily.
Also made by Bulk
This product is part of the Bulk range but have no live price from a retailer we track, so it is not in the comparison above. You can still check it on Amazon.
- Organic Pure Whey Protein
77g protein per 100g
No live priceSearch on Amazon
Frequently Asked Questions
How much does Bulk protein cost per 25g?
Bulk currently ranges from £0.40 to £2.08 per 25g of protein. The cheapest product right now is Soya Protein Isolate 5kg. Subscription pricing reduces the cost by 10 to 25 percent on recurring orders.
Is Bulk UK made?
Yes. Bulk manufactures in an ISO 22000 certified facility in Colchester, Essex. The brand publishes ingredient sourcing on most product pages, which is unusual at this price tier.
Is Bulk or Myprotein better value?
It depends on your shopping habit. Myprotein wins during flash sales if you time reorders. Bulk wins if you want consistent low pricing without tracking discount cycles. Compare the prices in the table above.
Compare Other Protein Brands
Applied NutritionMyproteinOptimum NutritionIsopurePhD NutritionGrenadeProtein WorksProzisVilgainCNP ProfessionalSci-MX NutritionReflex NutritionKineticaPeak SuppsBoditronicsNXT NutritionMatrix NutritionThe Bulk Protein CompanyBioTech USAPulsinDY NutritionMaxiNutritionXCelerate NutritionPure Source NutritionProtein DynamixUSNPER4M NutritionWarriorESNOlimp NutritionEfectiv NutritionThe Health ProjectSports FuelNaughty BoyTrec NutritionTime 4 NutritionSTRT NutritionAtlasTrained by JPScitec NutritionNutriSportStrom Sports NutritionMutantBSNAnimalScience in SportAll Brands
Shop by goal
Pick a target, see the shortlist.
Brand battles
Two brands, one clear winner.
MyproteinBulk
The UK's two biggest DTC brands, head-to-head
ONMyprotein
Premium global vs budget UK favourite
MyproteinProtein Works
Impact Whey vs Whey 80, cheapest per 25g
Power users
Advanced comparison: every product, filteredDense table view with every product, full filter sidebar, and no editorial surfaces.
Methodology
How we rank every bag.
Independent and transparent. Every price is read from the retailer's own page and checked daily. Here's what goes into each score.
01
Cost normalised to £/25g
Every bag divided by its true protein weight, so you see the real cost of a scoop across any size or brand.
02
Protein density, measured
Protein per 100g from the product's own nutrition panel, so a 90% isolate and a 72% concentrate are never compared on bag price alone.
03
Real prices, checked daily
Prices come from the retailer's own listing, never an RRP, and we re-check them every day rather than leaving a feed to drift.
04
Rankings can't be bought
Rank order is cost per 25g of protein. Some outbound links earn commission, and some Amazon links marked Ad pay per click; none of them buy a position in the table.