Impact Soy Protein, Natural Strawberry, 500 g
£8.49 for 500 g at Myprotein. That works out at 55p per 25 g protein, which ranks it 10th of the 14 soy protein products we price across 1 UK retailer.
At one 25 g dose a day, this pack lasts 15 days. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- Servings: 500 ÷ 30 per serving = 16.7
- In the pack: 16.7 × 23 g = 383.3 g
- £8.49 ÷ 383.3 g × 25 g = 55.4p per 25 g protein
- A week 55.4p × 7 = £3.88 · a month × 30 = £16.61 · a year × 365 = £202.10
- 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 soy protein
All 14, ranked →
Switching to the Myprotein pack saves £2.72 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
- 500 g · 16.7 servings · 30 g a serving
- Cost per serving
- 51p (16.7 servings in the pack)
More label details
- Claimed on the listing
- vegan, vegetarian
- Barcode
- 5056307361387
- Sold by
- Myprotein
- What the listing says
- “500g” · “Contains 16 servings” · “Per 30g” · “Protein ; 75g ; 23g”
Ingredients
Soya Protein Isolate (89%), Natural Flavourings, Colour (Beetroot Red), Sweetener (Sucralose).
From the Myprotein listing. Check the pack itself if you have an allergy: labels mark allergens in bold.
Add to your basket
View basketYour basket prices everything you take together: whole packs, delivery included, from as few websites as you like.
One 25 g dose is our comparison unit, not a recommendation.
Add to my stack
My stackSee when it runs out, the day to reorder by and what it costs you a day. Free, kept on this device.
Filled in from the label’s serving: 30 g.
What you paid
Optional. At Myprotein today: £8.49.
“Order by” allows 3 working days’ delivery from Myprotein and your spare days.
Price history
No price change since 3 October 2026. Checked on 18 days, most recently 20 October 2026.
- Price at every check
- £8.49Myprotein
- First recorded
- £8.493 Oct
- Checked on
- 18 dayssince 3 Oct
- First checked at Myprotein: £8.49
Questions about this product
How much does Myprotein Impact Soy Protein cost per 25 g protein?
55p per 25 g protein, from £8.49 for 500 g at Myprotein, checked on 20 October 2026.
Is it the cheapest soy protein in the UK?
No, it is 10th of 14. Impact Soy Protein at Myprotein works out at 42p per 25 g protein.
How long does one pack last?
15 days at one 25 g dose. The pack holds 383.3 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)
More from Myprotein
- Origin Protein (with Creatine)whey protein blend · 9 servings · Red Velvet Cake74p per 25 g proteinCheapest per dose in its tableDetails and price history
- Hydrolysed Beef Protein Isolatebeef protein · 30 servings · Chocolate80p per 25 g proteinCheapest per dose in its tableDetails and price history
- Impact Whey Isolate Powderwhey protein isolate · 600 g · Vanilla Raspberry83p per 25 g proteinCheapest per dose in its tableDetails and price history
- Impact Micellar Casein Powdercasein protein · 1 kg · Hokkaido Milk91p per 25 g proteinCheapest per dose in its tableDetails and price history
