Impact Soy Protein 2.5kg Chocolate Smooth
£35.49 for 2.5 kg at Myprotein. That works out at 46p per 25 g protein, which ranks it 5th of the 14 soy protein products we price across 1 UK retailer.
At one 25 g dose a day, this pack lasts 3 months. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- Servings: 2500 ÷ 30 per serving = 83.3
- In the pack: 83.3 × 23 g = 1,916.7 g
- £35.49 ÷ 1,916.7 g × 25 g = 46.3p per 25 g protein
- A week 46.3p × 7 = £3.24 · a month × 30 = £13.89 · a year × 365 = £168.96
- 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 soy protein
All 14, ranked →
Switching to the Myprotein pack saves £1.23 a month at the same 25 g dose.
Ranked purely by price per 25 g protein.
On the label
- Protein powder · Soy protein
- 23 g per serving (stated on the label)
- Pack
- 2.5 kg · 83.3 servings · 30 g a serving
- Cost per serving
- 43p (83.3 servings in the pack)
More label details
- Sold by
- Myprotein
- What the listing says
- “Chocolate Smooth” · “2.5kg” · “Per 100g ; Per 30g” · “Protein ; 77g ; 23g” · “Soy Protein”
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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 Myprotein today: £35.49.
“Order by” allows 3 working days’ delivery from Myprotein and your spare days.
Price history
No price change since 23 September 2026. Checked on 2 days, most recently 20 October 2026.
- Price at every check
- £35.49Myprotein
- First recorded
- £35.4923 Sept
- Checked on
- 2 dayssince 23 Sept
- Back in stock at Myprotein
- First checked at Myprotein: £35.49
Questions about this product
How much does Myprotein Impact Soy Protein 2.5kg Chocolate Smooth cost per 25 g protein?
46p per 25 g protein, from £35.49 for 2.5 kg at Myprotein, checked on 20 October 2026.
Is it the cheapest soy protein in the UK?
No, it is 5th of 14. Impact Soy Protein at Myprotein works out at 42p per 25 g protein.
How long does one pack last?
3 months at one 25 g dose. The pack holds 1,916.7 g in total.
About Myprotein
Founded 2004 · Manchester, England · Part of THG plc
Myprotein is a sports nutrition brand founded in 2004 by Oliver Cookson and bought in 2011 by The Hut Group, now the London-listed THG plc. It is based in Manchester and is part of THG's nutrition division.
All 558 Myprotein products, priced per doseVisit Myprotein (opens in a new tab)
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