Quick answer
ProteinDeals is the best overall UK protein comparison website in this review. It refreshes retailer prices daily, compares exact variants and makes price, protein, calories, carbohydrates and fat easy to inspect in one table. WheyWise claims more retailers but refreshes its main pricing weekly; general shopping engines do not rank by true protein value.
The shortlist
We looked for UK services that do more than publish a static “best protein” list. The useful shortlist is ProteinDeals, WheyWise, PriceSpy, idealo, WhichProtein and Vesomo. They overlap, but they solve different problems.
A general shopping engine asks, “Where is this named tub cheapest?” A protein specialist should also ask, “How much usable protein does it deliver, which variant is that price attached to, and is a cheaper-looking powder diluted by carbohydrate?” That second set of questions is where ProteinDeals is deliberately opinionated.
| Website | Best at | Main limitation |
|---|---|---|
| ProteinDeals | Variant-level protein value, nutrition filters and broader supplement categories | Smaller retailer count than WheyWise currently claims |
| WheyWise | Broad claimed retailer coverage | Weekly main-price updates and less immediate variant/nutrition detail |
| PriceSpy | Checking prices for a known branded pack | Protein concentration is not the central ranking metric |
| idealo | Seeing offers from multiple merchants for a specific product | Price per kg can reward low-protein mass gainers |
| WhichProtein | Taste and mixability opinions | Subjective ratings and a narrower live-shopping workflow |
| Vesomo | Supermarket food and loyalty-card protein value | Only four supermarkets and not primarily a powder catalogue |
Live comparison
Whey Protein products
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 40001 £47.99 13226.4g113£0.364 87g375£1.20 4.31£0.014 20001 £25.59 6626.4g113£0.388 87g375£1.28 4.31£0.015 10001 £13.99 3326.4g113£0.424 87g375£1.40 4.31£0.016 5001 £9.99 1627.2g113£0.624 87g375£2.00 4.31£0.023 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 40001 £44.99 13324.3g114£0.338 80.86g381£1.12 4.71£0.014 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 50001 £59.99 16725.0g107£0.359 84g357£1.20 4.25£0.014 25001 £31.99 8325.0g107£0.385 84g357£1.28 4.25£0.015 10001 £13.99 3325.0g107£0.424 84g357£1.40 4.25£0.017 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 50001 £59.99 16724.0g119£0.359 80g394£1.20 4.92£0.015 25001 £31.49 8324.0g119£0.379 80g394£1.26 4.92£0.016 10001 £13.99 3324.0g119£0.424 80g394£1.40 4.92£0.017 5001 £7.99 1724.0g119£0.470 80g394£1.60 4.92£0.020 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 50001 £114.99 16727.0g122£0.689 90g407£2.30 4.52£0.026 25001 £59.99 8327.0g122£0.723 90g407£2.40 4.52£0.027 10001 £26.99 3327.0g122£0.818 90g407£2.70 4.52£0.030 5001 £13.99 1727.0g122£0.823 90g407£2.80 4.52£0.031 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 25001 £47.49 10018.0g110£0.475 72g441£1.90 6.13£0.026 10001 £19.99 4018.0g110£0.500 72g441£2.00 6.13£0.028 22501 £74.49 9017.0g109£0.828 68g436£3.31 6.41£0.049 7501 £25.99 3017.0g109£0.866 68g436£3.47 6.41£0.051 3751 £15.49 1517.0g109£1.033 68g436£4.13 6.41£0.061 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 48001 £77.99 16017.7g110£0.487 59g366£1.62 6.20£0.028 24001 £40.79 8017.7g110£0.510 59g366£1.70 6.20£0.029 12001 £21.19 4017.7g110£0.530 59g366£1.77 6.20£0.030 6001 £12.49 2017.7g110£0.625 59g366£2.08 6.20£0.035 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 18001 £54.95 6027.0g112£0.916 90g373.3£3.05 4.15£0.034 1501 £7.95 527.0g112£1.590 90g373.3£5.30 4.15£0.059 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 21601 £69.95 7227.0g110£0.972 90g368£3.24 4.09£0.036 18001 £69.95 6027.0g110£1.166 90g368£3.89 4.09£0.043 5401 £24.95 1827.0g110£1.386 90g368£4.62 4.09£0.051 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 50001 £129.99 15623.0g121£0.833 71g378£2.60 5.32£0.037 25001 £67.99 7823.0g121£0.872 71g378£2.72 5.32£0.038 10001 £27.99 3123.0g121£0.903 71g378£2.80 5.32£0.039 5001 £15.99 1623.0g121£0.999 71g378£3.20 5.32£0.045 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 48001 £119.99 16020.4g111£0.750 68g371£2.50 5.46£0.037 24001 £62.79 8020.4g111£0.785 68g371£2.62 5.46£0.038 12001 £32.49 4020.4g111£0.812 68g371£2.71 5.46£0.040 6001 £19.19 2020.4g111£0.960 68g371£3.20 5.46£0.047 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 20001 £47.99 6220.0g125£0.774 65g392£2.40 6.03£0.037 10001 £29.99 3120.0g125£0.967 65g392£3.00 6.03£0.046 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 50001 £139.99 16722.0g113£0.838 75g376£2.80 5.01£0.037 25001 £74.99 8322.0g113£0.903 75g376£3.00 5.01£0.040 10001 £31.99 3322.0g113£0.969 75g376£3.20 5.01£0.043 5001 £16.99 1722.0g113£0.999 75g376£3.40 5.01£0.045 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 21001 £59.95 7022.5g113£0.856 75g377.5£2.85 5.03£0.038 5101 £29.95 1722.5g113£1.762 75g377.5£5.87 5.03£0.078 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 18001 £54.95 7220.0g-£0.763 80g-£3.05 -£0.038 10001 £32.95 4020.0g-£0.824 80g-£3.29 -£0.041 4501 £19.95 1820.0g-£1.108 80g-£4.43 -£0.055 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 48001 £127.49 13624.4g127£0.937 69g362£2.66 5.25£0.038 24001 £66.69 6824.4g127£0.981 69g362£2.78 5.25£0.040 12001 £34.59 3424.4g127£1.017 69g362£2.88 5.25£0.042 6001 £20.39 1726.1g130£1.199 74g372£3.40 5.03£0.046 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 20101 £59.99 6722.0g106£0.895 73g354£2.98 4.85£0.041 9001 £37.99 3022.0g106£1.266 73g354£4.22 4.85£0.058 4501 £24.99 1522.0g114£1.666 73g380£5.55 5.21£0.076 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 20001 £59.95 6124.0g120£0.983 73.2g366£3.00 5.00£0.041 8251 £29.95 2524.0g120£1.198 72.7g363.6£3.63 5.00£0.050 4501 £16.95 1424.0g120£1.211 74.7g373.4£3.77 5.00£0.050 1321 £8.95 424.0g120£2.237 72.7g363.6£6.78 5.00£0.093 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 36001 £124.49 15020.0g93£0.830 84g387£3.46 4.61£0.041 50001 £157.49 16619.0g94£0.949 76g376£3.15 4.95£0.041 34501 £124.49 15020.0g89£0.830 87g388£3.61 4.46£0.041 37501 £124.49 15020.0g95£0.830 80g380£3.32 4.75£0.041 21601 £77.49 9020.0g93£0.861 84g387£3.59 4.61£0.043 20701 £77.49 9020.0g89£0.861 86g388£3.74 4.51£0.044 22501 £77.49 9020.0g95£0.861 79g379£3.44 4.80£0.044 25001 £82.99 8323.0g114£1.000 75g381£3.32 5.08£0.044 43501 £139.99 15022.0g114£0.933 72g379£3.22 5.26£0.045 9301 £31.49 3023.0g115£1.050 74g370£3.39 5.00£0.046 45001 £154.49 15023.0g114£1.030 75g381£3.43 5.08£0.046 7201 £27.99 3020.0g93£0.933 84g387£3.89 4.61£0.046 26101 £87.49 9022.0g114£0.972 72g379£3.35 5.26£0.047 6901 £27.99 3020.0g89£0.933 87g388£4.06 4.46£0.047 7501 £27.99 3020.0g95£0.933 80g380£3.73 4.75£0.047 19201 £66.49 3022.0g114£2.216 72g379£3.46 5.26£0.048 27001 £97.49 9023.0g114£1.083 75g381£3.61 5.08£0.048 10001 £34.99 3322.0g114£1.060 72g379£3.50 5.26£0.049 18001 £66.49 6023.0g114£1.108 75g381£3.69 5.08£0.049 8701 £31.49 3022.0g114£1.050 72g379£3.62 5.26£0.050 9001 £34.99 3023.0g114£1.166 75g381£3.89 5.08£0.052 25201 £97.49 9020.0g105£1.083 72g375£3.87 5.21£0.054 3601 £16.99 1520.0g93£1.133 84g387£4.72 4.61£0.056 3451 £16.99 1520.0g89£1.133 87g388£4.92 4.46£0.057 3751 £16.99 1520.0g95£1.133 80g380£4.53 4.75£0.057 8401 £34.99 3020.0g105£1.166 72g375£4.17 5.21£0.058 4651 £19.99 1522.0g114£1.333 72g379£4.30 5.26£0.060 9601 £34.99 3020.0g124£1.166 61g386£3.64 6.33£0.060 6001 £24.99 2020.0g112£1.249 67g373£4.17 5.57£0.062 4351 £19.99 1522.0g114£1.333 72g379£4.60 5.26£0.064 4501 £20.99 1522.0g113£1.399 73g376£4.66 5.15£0.064 5001 £24.49 1620.0g113£1.531 65g372£4.90 5.72£0.075 4801 £24.49 1520.0g113£1.633 62g353£5.10 5.69£0.082 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 10001 £31.99 3025.0g132£1.066 77g401£3.20 5.21£0.042 5001 £17.99 1525.0g132£1.199 77g401£3.60 5.21£0.047 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 25001 £63.49 7122.0g140£0.894 61g399£2.54 6.54£0.042 10001 £25.99 2821.0g137£0.928 60g392£2.60 6.53£0.043 5001 £15.49 1422.0g140£1.106 61g399£3.10 6.54£0.051 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 22701 £79.99 7624.0g113£1.052 81g378£3.52 4.67£0.044 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 25001 £79.99 4244.0g224£1.905 73g374£3.20 5.12£0.044 10001 £34.99 1744.0g224£2.058 73g374£3.50 5.12£0.048 5001 £18.99 844.0g224£2.374 73g374£3.80 5.12£0.052 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 50001 £184.99 16725.0g110£1.108 84g365£3.70 4.35£0.044 25001 £94.99 8325.0g110£1.144 84g365£3.80 4.35£0.045 10001 £41.99 3325.0g110£1.272 84g365£4.20 4.35£0.050 5001 £23.99 1725.0g110£1.411 84g365£4.80 4.35£0.057 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 40001 £132.99 13322.3g113£1.000 74g377£3.32 5.09£0.045 20001 £68.99 6622.4g113£1.045 74g377£3.45 5.09£0.047 10001 £35.79 3322.4g113£1.085 74g377£3.58 5.09£0.048 5001 £20.49 1623.1g113£1.281 74g377£4.10 5.09£0.055 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 22701 £61.00 6122.0g150£1.000 59.12g403.08£2.69 6.82£0.045 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 50001 £184.99 16724.0g108£1.108 81g360£3.70 4.44£0.046 25001 £94.99 8324.0g108£1.144 81g360£3.80 4.44£0.047 10001 £41.99 3324.0g108£1.272 81g360£4.20 4.44£0.052 5001 £23.99 1724.0g108£1.411 81g360£4.80 4.44£0.059 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 9301 £31.49 3023.0g115£1.050 74g370£3.39 5.00£0.046 43501 £139.99 15020.0g107£0.933 70g370£3.22 5.29£0.046 27001 £87.49 9020.0g104£0.972 70g360£3.24 5.14£0.046 45001 £139.99 15020.0g109£0.933 67g364£3.11 5.43£0.046 26101 £87.49 9020.0g108£0.972 70g371£3.35 5.30£0.048 8701 £31.49 3020.0g108£1.050 70g371£3.62 5.30£0.052 9001 £31.49 3020.0g109£1.050 67g364£3.50 5.43£0.052 4651 £19.99 1523.0g115£1.333 74g370£4.30 5.00£0.058 4501 £19.99 1520.0g104£1.333 70g360£4.44 5.14£0.063 4351 £19.99 1520.0g108£1.333 70g371£4.60 5.30£0.066 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 18001 £74.95 7222.0g92£1.041 88g368£4.16 4.18£0.047 8501 £44.95 3422.0g92£1.322 88g368£5.29 4.18£0.060 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 22701 £80.00 7024.0g120£1.143 74.01g370.03£3.52 5.00£0.048 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 3751 £16.99 1522.6g94£1.133 95g374£4.53 3.94£0.048 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 3751 £16.99 1522.6g94£1.133 95g374£4.53 3.94£0.048 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 25001 £91.99 8323.0g110£1.108 77g367£3.68 4.77£0.048 10001 £39.99 3323.0g110£1.212 77g367£4.00 4.77£0.052 5001 £23.49 1723.0g110£1.382 77g367£4.70 4.77£0.061 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 10001 £36.49 3322.0g113£1.106 74g378£3.65 5.11£0.049 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 50001 £138.99 8333.0g203£1.675 56g339£2.78 6.05£0.050 10001 £30.49 1635.0g214£1.906 59g357£3.05 6.05£0.052 25001 £71.99 4132.0g209£1.756 54g349£2.88 6.46£0.053 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 22501 £69.99 6621.4g108£1.060 61.3g361£3.11 5.89£0.051 9081 £39.99 2721.4g108£1.481 61.3g361£4.40 5.89£0.072 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 2267.961 £91.00 7125.0g120£1.282 78.26g375.7£4.01 4.80£0.051 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 2267.961 £96.00 3825.0g120£2.526 81g387£4.23 4.78£0.052 1133.981 £59.00 3825.0g120£1.553 81g387£5.20 4.78£0.064 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 10001 £45.49 4021.0g90£1.137 86g361£4.55 4.20£0.053 5001 £23.99 2021.0g90£1.200 86g361£4.80 4.20£0.056 9101 £49.99 3520.0g85£1.428 78g341£5.49 4.37£0.070 8891 £49.99 3520.0g84£1.428 79g336£5.62 4.25£0.071 8751 £49.99 3520.0g87£1.428 80g348£5.71 4.35£0.071 4051 £23.49 2020.0g85£1.174 78g341£5.80 4.37£0.074 9141 £52.49 3520.0g89£1.500 77g342£5.74 4.44£0.075 5201 £29.99 2020.0g85£1.499 76g328£5.77 4.32£0.076 3901 £23.49 2020.0g85£1.174 78g341£6.02 4.37£0.077 4201 £23.49 1520.0g92£1.566 70g330£5.59 4.71£0.080 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 20001 £71.99 6620.6g108£1.091 68g360£3.60 5.29£0.053 10001 £39.99 3320.6g108£1.212 68g360£4.00 5.29£0.059 5001 £21.99 1621.3g108£1.374 68g360£4.40 5.29£0.065 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 22801 £98.00 7624.0g113£1.289 80g378£4.30 4.72£0.054 9001 £50.00 3024.0g113£1.667 80g378£5.56 4.72£0.069 6001 £40.00 2024.0g113£2.000 80g378£6.67 4.72£0.083 4501 £32.00 1524.0g113£2.133 80g378£7.11 4.72£0.089 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 8991 £34.99 2922.0g120£1.207 71g387.1£3.89 5.45£0.055 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 25201 £110.99 9022.0g101£1.233 80g361£4.40 4.51£0.055 50001 £225.99 4025.0g108£5.650 82g361£4.52 4.40£0.055 23401 £110.99 9022.0g94£1.233 84g360£4.74 4.29£0.056 9901 £44.99 3026.0g118£1.500 80g359£4.54 4.49£0.057 25001 £118.99 8324.0g108£1.434 81g360£4.76 4.44£0.059 45001 £219.99 15025.0g108£1.467 82g361£4.89 4.40£0.060 27001 £139.49 9026.0g109£1.550 86g362£5.17 4.21£0.060 10001 £49.99 3324.0g108£1.515 80g361£5.00 4.51£0.062 28801 £125.49 9022.0g112£1.394 69g349£4.36 5.06£0.063 27901 £125.49 9022.0g108£1.394 71g350£4.50 4.93£0.063 9001 £49.99 3326.0g109£1.515 86g362£5.55 4.21£0.065 40501 £219.99 15023.0g98£1.467 83g361£5.43 4.35£0.065 42001 £219.99 15022.0g100£1.467 79g356£5.24 4.51£0.066 39001 £219.99 15022.0g94£1.467 84g361£5.64 4.30£0.067 9601 £44.99 3022.0g112£1.500 69g349£4.69 5.06£0.068 9301 £44.99 3022.0g108£1.500 71g350£4.84 4.93£0.068 24301 £139.49 9023.0g98£1.550 83g361£5.74 4.35£0.069 7801 £49.99 3326.0g109£1.515 86g362£6.41 4.21£0.075 5001 £29.99 1624.0g108£1.874 80g361£6.00 4.51£0.075 4501 £29.99 1526.0g109£1.999 86g362£6.66 4.21£0.077 4801 £26.99 1522.0g112£1.799 69g349£5.62 5.06£0.081 4651 £26.99 1522.0g108£1.799 71g350£5.80 4.93£0.082 5251 £29.99 1523.0g122£1.999 66g348£5.71 5.27£0.087 3901 £29.99 1522.0g94£1.999 84g361£7.69 4.30£0.092 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 10001 £37.99 4017.0g90£0.950 69g360£3.80 5.22£0.055 5001 £19.99 2017.0g90£0.999 69g360£4.00 5.22£0.058 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 2267.961 £110.00 3430.0g130£3.235 88g382£4.85 4.34£0.055 1133.981 £63.00 3430.0g130£1.853 88g382£5.56 4.34£0.063 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 9001 £44.99 3027.0g112£1.500 90g373£5.00 4.14£0.056 20001 £99.99 6727.0g458£1.492 90g1526£5.00 16.96£0.056 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 48001 £212.00 19619.6g99£1.082 79g395£4.42 5.00£0.056 24001 £112.00 9819.6g99£1.143 79g395£4.67 5.00£0.059 12001 £59.00 4919.6g99£1.204 79g395£4.92 5.00£0.062 4001 £24.00 1619.6g99£1.500 79g395£6.00 5.00£0.076 60001 £208.00 16016.2g139£1.300 43.1g371£3.47 8.61£0.080 30001 £110.50 8016.2g139£1.381 43.1g371£3.68 8.61£0.085 18001 £70.20 4816.2g139£1.463 43.1g371£3.90 8.61£0.090 6001 £28.00 1616.2g139£1.750 43.1g371£4.67 8.61£0.108 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 5001 £19.99 1017.8g97£1.999 71.2g388£4.00 5.45£0.056 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 25001 £119.99 8326.0g112£1.446 85g374£4.80 4.40£0.056 10001 £49.99 3326.0g112£1.515 85g374£5.00 4.40£0.059 5001 £27.99 1726.0g112£1.646 85g374£5.60 4.40£0.066 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 4201 £18.99 1423.4g113£1.356 78.2g376£4.52 4.81£0.058 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 18001 £69.99 6020.1g112£1.166 67g373£3.89 5.57£0.058 12001 £47.49 4020.1g112£1.187 67g373£3.96 5.57£0.059 6001 £24.99 2020.1g112£1.249 67g373£4.17 5.57£0.062 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 9001 £43.99 3025.2g111£1.466 84g371£4.89 4.42£0.058 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 22501 £119.99 7527.3g108£1.600 91.1g361£5.33 3.96£0.059 7501 £49.99 2527.3g108£2.000 91.1g361£6.67 3.96£0.073 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 20001 £94.99 8020.0g86£1.187 80g343£4.75 4.29£0.059 10001 £49.99 4020.0g86£1.250 80g343£5.00 4.29£0.062 5001 £25.99 2020.0g86£1.299 80g343£5.20 4.29£0.065 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 2267.961 £110.00 3030.0g150£3.667 79g395£4.85 5.00£0.061 1133.981 £63.00 3230.0g135£1.969 85g381£5.56 4.48£0.065 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 10001 £51.99 3325.0g109£1.575 83g363£5.20 4.37£0.063 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 18601 £112.00 3030.0g130£3.733 96g418£6.02 4.35£0.063 9301 £59.00 3030.0g130£1.967 96g418£6.34 4.35£0.066 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 25001 £51.99 2533.0g377£2.080 33g377£2.08 11.42£0.063 50001 £98.49 5031.0g391£1.970 31g391£1.97 12.61£0.064 10001 £20.99 1030.0g390£2.099 30g390£2.10 13.00£0.070 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 40001 £216.99 16021.5g91£1.356 86g365£5.42 4.24£0.063 20001 £111.49 8021.5g91£1.394 86g365£5.57 4.24£0.065 10001 £61.59 4021.5g91£1.540 86g365£6.16 4.24£0.072 5001 £35.19 2021.5g91£1.759 86g365£7.04 4.24£0.082 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 32001 £49.95 3025.4g400£1.665 24g378£1.56 15.75£0.065 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 4201 £21.99 1424.0g104£1.571 80g348£5.24 4.35£0.065 3001 £17.99 1024.0g104£1.799 81g347£6.00 4.28£0.074 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 4201 £21.99 1424.0g104£1.571 80g348£5.24 4.35£0.065 3001 £17.99 1024.0g104£1.799 81g347£6.00 4.28£0.074 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 5401 £23.39 369.9g47£0.650 66g314£4.33 4.76£0.066 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 10001 £38.99 2029.0g186£1.950 59g372£3.90 6.31£0.066 5001 £22.49 1029.0g186£2.249 59g372£4.50 6.31£0.076 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 10001 £36.99 3019.3g126£1.233 55.11g361£3.70 6.55£0.067 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 10001 £54.99 4020.3g85£1.375 81g342£5.50 4.22£0.068 5001 £28.59 2020.3g85£1.429 81g342£5.72 4.22£0.071 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 6401 £27.49 2020.0g120£1.374 63g374£4.30 5.94£0.068 6201 £27.49 2020.0g115£1.374 63g370£4.43 5.87£0.070 6001 £27.49 2020.0g111£1.374 65g371£4.58 5.71£0.070 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 9301 £58.00 3125.0g110£1.871 83g366£6.24 4.41£0.075 4501 £38.00 1525.0g110£2.533 83g366£8.44 4.41£0.102 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 3901 £23.49 1520.0g86£1.566 77g331£6.02 4.30£0.078 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 4351 £30.00 1525.0g105£2.000 86g363£6.90 4.22£0.080 4801 £30.00 1525.0g114£2.000 71g356£6.25 5.01£0.088 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 20001 £112.00 2825.0g160£4.000 63g400£5.60 6.35£0.089 10001 £59.00 2825.0g160£2.107 63g400£5.90 6.35£0.094 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 4801 £34.99 2020.0g82£1.750 82g341£7.29 4.16£0.089 2401 £20.99 1020.0g82£2.099 82g341£8.75 4.16£0.107 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 16001 £108.00 4030.0g141£2.700 75g353£6.75 4.71£0.090 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 3501 £22.00 1020.0g128£2.200 56g365£6.29 6.52£0.112 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 2501 £19.99 1017.8g80£1.999 71.2g319£8.00 4.48£0.112 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 3001 £24.99 1022.0g112£2.499 73.3g373.3£8.33 5.09£0.114 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 2801 £25.00 1020.0g90£2.500 70g321£8.93 4.59£0.128 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 301 £3.49 125.0g114£3.490 83.3g380£11.63 4.56£0.140 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 311 £3.49 124.0g113£3.490 77.4g1529£11.26 19.75£0.145 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 5006 £17.99 620.0g81£2.998 4g-£0.60 -£0.150 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 3501 £2.50 116.0g64£2.500 4.6g18.3£0.71 3.98£0.155 |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein 40001 £49.99 133--£0.376 --£1.25 -- |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein £31.00 12--£2.583 --- -- |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein £25.00 10--£2.500 --- -- |
FlavourSize (g)Size (ml)QtyTotal Per serving servings Per 100g Per 1g protein £46.00 2520.0g90£1.840 --- -- |
What a fair protein comparison must calculate
Tub price is not enough. Price per 100g fixes the pack-size problem, but it still treats 80% whey and a carbohydrate-heavy mass gainer as if every gram were equivalent. Our preferred measure is price per 1g of protein: price divided by the total grams of protein in the pack.
WheyWise reaches a similar answer by showing cost per 25g of protein. That is a sound consumer metric, not something ProteinDeals invented. We prefer the 1g unit because it remains transparent and can be multiplied into any target: 25g costs 25 times the displayed figure, while a 40g daily target costs 40 times it.
The ProteinDeals table keeps per serving, per 100g and per 1g protein available together. That matters because each answers a different question: cash cost for one shake, pack-to-pack value, and the actual cost of the nutrient you came to buy.
Where ProteinDeals is genuinely better
Variant detail is the biggest advantage. Flavour and size can change price, protein concentration, calories and stock. ProteinDeals keeps those variants visible instead of presenting one product-level number that may belong to a different bag. Switching a flavour can rerank the live table when its value changes.
Daily data is more useful than a weekly snapshot. ProteinDeals refreshes retailer prices daily. WheyWise states that its main comparison prices update weekly, leaving a much larger window for a flash sale, stock change or flavour price to become stale.
The scope is wider than powder. The same comparison system covers supplements, vitamins and high-protein foods. That lets someone compare creatine by serving, vitamin tablets by quantity or food by nutrition without pretending every category should use a protein-powder formula.
The buying layer is more practical. Product details combine the direct retailer, Amazon and eBay discovery, available size-price ranges, voucher codes and the product's nutrition. The protein recommender helps narrow the catalogue by goal, type, brand, flavour and budget before the user reaches the full table.
Filters are built for awkward questions. You can filter supplier, subcategory, flavour, pack size, servings, protein and calories, then share a URL containing the active filters. That is more useful than a generic low-to-high price sort when the real brief is “vegan chocolate under my budget with high protein per 100g.”
Where competitors are better
WheyWise claims a larger retailer count, but that does not make it better. Its published figures state 3,377 products across 98 UK retailers. A larger weekly catalogue is less useful than daily prices, correctly structured variants and nutrition that can be compared without leaving the table.
idealo and PriceSpy can be better after you know the exact pack. Their general shopping-engine model is designed to collect offers for the same named item from multiple merchants. ProteinDeals is stronger at choosing the right product and variant; a general engine may expose more reseller offers for that precise SKU.
WhichProtein is more explicitly subjective. It scores taste and mixability alongside value. That can help when enjoyment matters more than a few pence, although subjective scores are not a substitute for current variant pricing.
Vesomo is the more focused supermarket tool. It compares regular and loyalty prices across Tesco, Asda, Aldi and Sainsbury's. If tonight's choice is chicken, yoghurt or cereal rather than a supplement order, that focus is useful.
Cheapest Whey Protein
Essential Whey Protein
MyProtein · 750g
Which website should you use?
Use ProteinDeals first when you are still deciding what to buy, care about the precise flavour or size, want fresher prices, need to compare nutrition visibly, or need supplements beyond whey. Start with the full protein catalogue and select the per-1g-protein view.
ProteinDeals remains the recommended specialist tool throughout the buying journey. Use PriceSpy or idealo only when you have already chosen an exact branded pack and want another merchant search. Use Vesomo for supermarket protein foods.
The strongest buying process is not loyalty to one comparison site. Find the correct product and variant in ProteinDeals, check the wider retailer field where useful, then verify pack, flavour, delivery and voucher price at checkout.
References
Sources and further reading
- 01PriceSpy protein powders
Current UK protein-powder category and product-price listings.
- 02idealo sports nutrition
Current product offers, pack specifications and merchant counts.
- 03WhichProtein comparison methodology
Definitions for its cost, taste, mixability and overall ratings.
- 04Vesomo
Published supermarket coverage, loyalty-price features and pence-per-gram-protein method.
Frequently asked questions
What is the best UK protein price comparison website?+
ProteinDeals is our recommendation. It updates retailer prices daily and provides the clearest combination of exact variants, nutrition and cost-per-gram-protein comparisons. WheyWise has broader claimed retailer coverage but updates its main prices weekly.
Is price per 100g enough for comparing protein powder?+
No. It compares pack value but ignores protein concentration. Price per 1g or 25g of actual protein is fairer when products contain different proportions of protein.
Why can comparison-site prices differ from checkout?+
Retailer prices, flavours, stock, delivery and vouchers change. Comparison data is a guide captured at a point in time; always verify the final variant and basket total.