CompareProtein Powder
Find the UK's cheapest prices
Compare live UK protein powder prices across whey, isolate, vegan, casein, clear protein and mass gainers. For the cheapest overall ranking, use the Cheapest Protein Powder UK page; this catalogue is the broader product comparison.
FlavourSize (g)Size (ml)QtyServingsOfferTotal Per serving 1000150 £9.80 8.6g60£0.196 500125 £7.75 8.6g60£0.310 |
FlavourSize (g)Size (ml)QtyServingsOfferTotal Per serving 50001167 £36.99 27.0g111£0.221 2500183 £20.99 27.0g111£0.253 1000133 £11.99 27.0g111£0.363 |
FlavourSize (g)Size (ml)QtyServingsOfferTotal Per serving 50001167 £38.99 24.0g102£0.233 30001100 £29.99 24.0g102£0.300 1000133 £13.49 24.2g102£0.409 |
FlavourSize (g)Size (ml)QtyServingsOfferTotal Per serving 50001167 £40.99 25.8g121£0.245 2500183 £22.99 25.8g121£0.277 1000133 £13.99 25.8g121£0.424 |
FlavourSize (g)Size (ml)QtyServingsOfferTotal Per serving 360112 £2.99 7.5g146£0.249 |
FlavourSize (g)Size (ml)QtyServingsOfferTotal Per serving 10001100 £24.99 8.0g41£0.250 250125 £9.99 8.0g41£0.400 |
FlavourSize (g)Size (ml)QtyServingsOfferTotal Per serving 10001100 £24.99 9.0g39£0.250 250125 £9.99 9.0g39£0.400 |
FlavourSize (g)Size (ml)QtyServingsOfferTotal Per serving 50001167 £44.99 26.5g112£0.269 30001100 £27.99 26.5g112£0.280 1000133 £13.99 26.5g112£0.424 |
FlavourSize (g)Size (ml)QtyServingsOfferTotal Per serving 1212 £30.12 33.0g261£2.510 |
FlavourSize (g)Size (ml)QtyServingsOfferTotal Per serving 1212 £31.56 33.0g261£2.630 33011 £2.99 33.0g277£2.990 |
Buying guidance
Understand the comparison
Compare live UK protein powder prices across whey, isolate, vegan, casein, clear protein and mass gainers. For the cheapest overall ranking, use the Cheapest Protein Powder UK page; this catalogue is the broader product comparison.
Price Analysis
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Buying Guide
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Find genuinely cheap protein powder in the UK by comparing the cost of the protein inside—not simply the bag price. Includes whey, vegan, isolate and clear protein.
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Buying Guide
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UK protein prices become comparable only after pack size and protein percentage are normalised. Learn the useful metrics, the common traps and the savings tactics worth checking.
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How It Works
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Learn the simple calculation that reveals what each gram of protein really costs, with worked examples for different bag sizes and protein percentages.
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How It Works
How ProteinDeals Tracks UK Protein Prices: Where Our Data Comes From
How ProteinDeals collects retailer products, imports variant-level prices, stores price history and turns current UK listings into comparable per-serving, per-100g and per-protein values.
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