Impact Soy Protein 1kg Chocolate Smooth
£14.99 for 1 kg at Myprotein. That works out at 49p per 25 g protein, which ranks it 12th of the 14 soy protein products we price across 1 UK retailer.
At one 25 g dose a day, this pack lasts 31 days. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- Servings: 1000 ÷ 30 per serving = 33.3
- In the pack: 33.3 × 23 g = 766.7 g
- £14.99 ÷ 766.7 g × 25 g = 48.9p per 25 g protein
- A week 48.9p × 7 = £3.42 · a month × 30 = £14.66 · a year × 365 = £178.41
- 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 →
Ranked purely by price per 25 g protein.
On the label
- Protein powder · Soy protein
- 23 g per serving (stated on the label)
- Pack
- 1 kg · 33.3 servings · 30 g a serving
- Cost per serving
- 45p (33.3 servings in the pack)
More label details
- Sold by
- Myprotein
- What the listing says
- “Chocolate Smooth” · “1kg” · “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: £14.99.
“Order by” allows 3 working days’ delivery from Myprotein and your spare days.
Price history
No price change since 23 September 2026. Checked on 1 day, most recently 23 September 2026.
- Price at every check
- £14.99Myprotein
- First recorded
- £14.9923 Sept
- Checked on
- 1 daysince 23 Sept
Checked once so far, on 23 September 2026.
- First checked at Myprotein: £14.99
Questions about this product
How much does Myprotein Impact Soy Protein 1kg Chocolate Smooth cost per 25 g protein?
49p per 25 g protein, from £14.99 for 1 kg at Myprotein, checked on 23 September 2026.
Is it the cheapest soy protein in the UK?
No, it is 12th of 14. Impact Soy Protein at Myprotein works out at 42p per 25 g protein.
How long does one pack last?
31 days at one 25 g dose. The pack holds 766.7 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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