Vegan Pea Protein 4kg Chocolate Silk
£47.99 for 4 kg at Protein Works. That works out at 41p per 25 g protein, which ranks it 1st of the 31 pea protein products we price across 4 UK retailers.
At one 25 g dose a day, this pack lasts 4 months. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- Servings: 4000 ÷ 30 per serving = 133.3
- In the pack: 133.3 × 22 g = 2,933.3 g
- £47.99 ÷ 2,933.3 g × 25 g = 40.9p per 25 g protein
- A week 40.9p × 7 = £2.86 · a month × 30 = £12.27 · a year × 365 = £149.29
- Amount per serving: stated on the label.
The standard dose is a comparison unit, not a recommendation. Always confirm the price on the retailer's site. How we compare everything.
How it compares: pea protein
All 31, ranked →Ranked purely by price per 25 g protein. 30 combination products also contain protein powder.
On the label
- Protein powder · Pea protein
- 22 g per serving (stated on the label)
- Pack
- 4 kg · 133.3 servings · 30 g a serving
- Cost per serving
- 36p (133.3 servings in the pack)
More label details
- Claimed on the listing
- vegan
- Barcode
- 5060594775451
- Sold by
- Protein Works
- What the listing says
- “Chocolate Silk” · “4kg” · “per 30g serving” · “Protein (g) ; 73 ; 22”
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One 25 g dose is our comparison unit, not a recommendation.
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Filled in from the label’s serving: 30 g.
What you paid
Optional. At Protein Works today: £47.99.
“Order by” allows 5 working days’ delivery from Protein Works and your spare days.
Price history
No price change since 23 September 2026. Checked on 2 days, most recently 9 October 2026.
- Price at every check
- £47.99Protein Works
- First recorded
- £47.9923 Sept
- Checked on
- 2 dayssince 23 Sept
- First checked at Protein Works: £47.99
Questions about this product
How much does Protein Works Vegan Pea Protein 4kg Chocolate Silk cost per 25 g protein?
41p per 25 g protein, from £47.99 for 4 kg at Protein Works, checked on 9 October 2026.
Is it the cheapest pea protein in the UK?
Yes. Of the 31 we price across 4 UK retailers, this is the cheapest per 25 g protein.
How long does one pack last?
4 months at one 25 g dose. The pack holds 2,933.3 g in total.
About Protein Works
Founded 2012 · Liverpool, England · Part of Lactalis
Protein Works is a British nutrition company founded in 2012 by Mark Coxhead, Nick Smith and Karl Jacobie. It is based at PW Campus in Speke, Liverpool, which opened in 2025 and replaced several sites in Runcorn.
All 149 Protein Works products, priced per doseVisit Protein Works (opens in a new tab)
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