Collagen Protein Coffee, 475 g
£18.99 for 475 g at Protein Works. That works out at £12.49 per 1 g, which ranks it 112th of the 113 vitamin C products we price across 21 UK retailers.
At one 1 g dose a day, this pack lasts 2 days. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- Servings: 475 ÷ 25 per serving = 19
- In the pack: 19 × 80 mg = 1.52 g
- £18.99 ÷ 1.52 g × 1 g = £12.49 per 1 g
- A week £12.49 × 7 = £87.45 · a month × 30 = £374.80 · a year × 365 = £4560.10
- 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.
Cheaper vitamin C
All 113, ranked →
Switching to the Vitamin Planet pack saves £374.01 a month at the same 1 g dose.
Ranked purely by price per 1 g. 950 combination products also contain vitamin C.
Pack sizes
| Pack | Price | Per dose | A year |
|---|---|---|---|
| 950 g | £33.99 | £11.18 | £4081.04 |
| 475 gthis pack | £18.99 | £12.49 | £4560.10 |
At one 1 g dose a day, the 950 g pack costs £479.06 less a year than this one.
On the label
- Vitamin C · Standard (ascorbic acid and ascorbates)
- 80 mg per serving (stated on the label)
- Pack
- 475 g · 19 servings · 25 g a serving
- Cost per serving
- £1.00 (19 servings in the pack)
More label details
- Barcode
- 5061062520788
- Sold by
- Protein Works
- What the listing says
- “475g” · “per 25g serving” · “[Vitamin C ; 320mg ; 80mg ; 100%]”
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One 1 g dose is our comparison unit, not a recommendation.
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Filled in from the label’s serving: 25 g.
What you paid
Optional. At Protein Works today: £18.99.
“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
- £18.99Protein Works
- First recorded
- £18.9923 Sept
- Checked on
- 2 dayssince 23 Sept
- Out of stock at Protein Works
- First checked at Protein Works: £18.99
Questions about this product
How much does Protein Works Collagen Protein Coffee cost per 1 g?
£12.49 per 1 g, from £18.99 for 475 g at Protein Works, checked on 9 October 2026.
Is it the cheapest vitamin C in the UK?
No, it is 112th of 113. Vitamin C Plus Tablets at Myprotein works out at 3p per 1 g.
How long does one pack last?
2 days at one 1 g dose. The pack holds 1.52 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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