91 bought·Strawberry · 4.2kg
7g
106
13.6g
51
£1.19per 25g protein
£55.99 bag·1 retailer·
BSN
BSN Protein: UK Prices & Range
Every BSN protein product tracked, ranked by cost per 25g protein. UK pricing across stocking retailers, each price shown with its check date.
4 products tracked57+ retailersDated price checks
Showing 4 bsn products
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Is BSN a good brand?
BSN is a flavour-led brand, and Syntha-6 is the reason most people buy it: a multi-source blend that has kept a following on taste rather than on protein percentage. Syntha-6 Edge is the leaner version of the same idea. The True Mass line covers gainers for anyone eating for weight. Be clear about which you want, because a blend built for taste and a gainer built for calories will both look dear per 25g of protein next to a plain isolate. WheyWise tracks 3 BSN products across 2 types, from £1.19 per 25g of protein on True Mass All-In-One Gainer Powder 4.2kg up to £1.79, across 3 UK retailers.
BULK GAINS
Mass gainer4.2kg
91 bought this week
86 bought·Salted Caramel · 1.7kg
16.2g
101
3.2g
78
£1.59per 25g protein
£69.99 bag·1 retailer·
CHEAPEST
Casein1.7kg
86 bought this week
Chocolate · 4.8kg
4.1g
96
16.4g
51
£1.79per 25g protein
£55.98 bag·1 retailer·
● Trending
Mass gainer4.8kg
Vanilla · 4.73kg
4.1g
96
16.4g
46
£1.95per 25g protein
£59.99 bag·1 retailer·
● Trending
Mass gainer4.73kg
Browse All BSN Products (4)
About BSN
UK prices on every BSN product we track, ranked by cost per 25g of protein. Every price is shown with the date it was checked.
Frequently Asked Questions
How much does BSN protein cost in the UK?
BSN currently ranges from £1.19 to £1.79 per 25g of protein across the UK retailers we track. The cheapest right now is True Mass All-In-One Gainer Powder 4.2kg.
What is the difference between Syntha-6 and Syntha-6 Edge?
Syntha-6 is the original multi-source blend, carrying more fat and carbohydrate per serving. Syntha-6 Edge is the leaner version, with more of each scoop given over to protein. If you are tracking calories, Edge is the one to compare; if you are buying on taste, the original is the one people come back for.
Is BSN True Mass a protein powder?
No, True Mass and True Mass 1200 are weight gainers. Most of each serving is carbohydrate, so they add calories rather than protein alone and will always look expensive on a cost-per-25g-of-protein basis. Compare the Syntha-6 products if protein is what you are buying.
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Brand battles
Two brands, one clear winner.
Myprotein vs Bulk
The UK's two biggest DTC brands, head-to-head
ON vs Myprotein
Premium global vs budget UK favourite
Myprotein vs Protein Works
Impact Whey vs Whey 80, cheapest per 25g
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Methodology
How we rank every bag.
Independent and transparent, with every price shown alongside the date it was checked. 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 quality, not just %
Protein %, leucine and digestibility feed the Performance score. A 90% isolate and a 90% vegan blend are not the same.
03
Clean-label audit
Ingredient count, artificial sweeteners, added sugars, third-party certifications. 0 to 100 score.
04
Social and review signals
Weekly purchase volume and weighted review scores surface what people actually re-buy, not just what ranks on search.
4 results