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Sports & performance

Clear Whey Isolate, Blue Raspberry, 510 g

£34.99 for 510 g at Reflex Nutrition. That works out at £2.34 per 25 g protein, which ranks it 89th of the 123 whey protein isolate products we price across 6 UK retailers.

What it really costs, per 25 g protein£2.34One 25 g dose is our comparison unit for protein powder. It is not a recommendation.

A day£2.34

A week£16.37

A month£70.17

A year£853.70

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: 510 ÷ 30 per serving = 17
In the pack: 17 × 22 g = 374 g
£34.99 ÷ 374 g × 25 g = £2.34 per 25 g protein
A week £2.34 × 7 = £16.37 · a month × 30 = £70.17 · a year × 365 = £853.70
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 whey protein isolate

All 123, ranked →

Impact Whey Isolate PowderMyprotein · 23 g a serving · £65.20 a month · a pack lasts 14 days£2.17£29.99View at Myprotein

Impact Whey Isolate PowderMyprotein · 22 g a serving · £67.02 a month · a pack lasts 13 days£2.23£29.49View at Myprotein

Impact Whey IsolateMyprotein · 23 g a serving · £67.37 a month · a pack lasts 14 days£2.25£30.99View at Myprotein

Clear Whey Protein | 10 Servings WatermelonMyprotein · 20 g a serving · £67.46 a month · a pack lasts 8 days£2.25£17.99View at Myprotein

This productReflex Nutrition · 22 g a serving · £70.17 a month · a pack lasts 15 days£2.34shown above

Switching to the Myprotein pack saves £4.97 a month at the same 25 g dose.

Ranked purely by price per 25 g protein. 53 combination products also contain protein powder.

On the label

Protein powder · Whey isolate: 22 g per serving (stated on the label)
Pack: 510 g · 17 servings · 30 g a serving
Cost per serving: £2.06 (17 servings in the pack)

More label details

Sold by: Reflex Nutrition
What the listing says: “Blue Raspberry” · “510g” · “Serving Size ; 30.0g” · “Protein ; 22.0g”

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Daily dosegFordays

One 25 g dose is our comparison unit, not a recommendation.

Price history

1 price change since 23 September 2026. Checked on 2 days, most recently 9 October 2026.

Lowest recorded: £29.9923 Sept
Highest recorded: £34.999 Oct
First recorded: £29.9923 Sept
Checked on: 2 dayssince 23 Sept

Pack price at each check.

9 Oct Up at Reflex Nutrition: £29.99 → £34.99 (+17%)
23 SeptFirst checked at Reflex Nutrition: £29.99

Questions about this product

How much does Reflex Nutrition Clear Whey Isolate cost per 25 g protein?

£2.34 per 25 g protein, from £34.99 for 510 g at Reflex Nutrition, checked on 9 October 2026.

Is it the cheapest whey protein isolate in the UK?

No, it is 89th of 123. Impact Whey Isolate Powder at Myprotein works out at 83p per 25 g protein.

How long does one pack last?

15 days at one 25 g dose. The pack holds 374 g in total.

About Reflex Nutrition

Founded 1996 · Brighton, England · Part of Associated British Foods

Reflex Nutrition is a British sports nutrition brand founded in 1996 by James Phillips. It makes its products at its own facility in Brighton. Associated British Foods bought the company in 2017, and Reflex is now sold by AB Sports Nutrition, a division of ABF Grain Products that also runs the HIGH5 brand.

All 24 Reflex Nutrition products, priced per dose Visit Reflex Nutrition (opens in a new tab)

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