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Reflex NutritionSports & performance

Isolate Pro, Strawberry & Raspberry, 1.8 kg

£89.99 for 1.8 kg at Reflex Nutrition. That works out at £1.50 per 25 g protein, which ranks it 111th of the 123 whey protein isolate products we price across 6 UK retailers.

What it really costs, per 25 g protein£1.50One 25 g dose is our comparison unit for protein powder. It is not a recommendation.
A day£1.50
A week£10.50
A month£44.99
A year£547.44

At one 25 g dose a day, this pack lasts 2 months. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

  • Servings: 1800 ÷ 30 per serving = 60
  • In the pack: 60 × 25 g = 1,500 g
  • £89.99 ÷ 1,500 g × 25 g = £1.50 per 25 g protein
  • A week £1.50 × 7 = £10.50 · a month × 30 = £44.99 · a year × 365 = £547.44
  • 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 →
MADE OF PROTEINUnflavored Whey Protein IsolateHealf · 25 g a serving · £116.65 a month · a pack lasts 18 days£3.89£69.99View at Healf (opens in a new tab)
MADE OF PROTEINChocolate Whey Protein IsolateHealf · 25 g a serving · £116.65 a month · a pack lasts 18 days£3.89£69.99View at Healf (opens in a new tab)
MADE OF PROTEINVanilla Whey Protein IsolateHealf · 25 g a serving · £116.65 a month · a pack lasts 18 days£3.89£69.99View at Healf (opens in a new tab)
Clear Diet Whey Protein Protein 1kg Blue RaspberryProtein Works · 20 g a serving · £42.18 a month · a pack lasts 32 days£1.41£44.99View at Protein Works (opens in a new tab)
Isolate ProReflex Nutrition · 25 g a serving · £44.99 a month · a pack lasts 2 months£1.50£89.99View at Reflex Nutrition (opens in a new tab)
This productReflex Nutrition · 25 g a serving · £44.99 a month · a pack lasts 2 months£1.50shown above

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

On the label

Protein powder · Whey isolate
25 g per serving (stated on the label)
Pack
1.8 kg · 60 servings · 30 g a serving
Cost per serving
£1.50 (60 servings in the pack)
More label details
Sold by
Reflex Nutrition
What the listing says
“Strawberry & Raspberry” · “1.8kg” · “Serving Size ; 30.0g” · “Protein ; 25.0g”
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One 25 g dose is our comparison unit, not a recommendation.

Price history

No price change since 23 September 2026. Checked on 2 days, most recently 9 October 2026.

Price at every check
£89.99Reflex Nutrition
First recorded
£89.9923 Sept
Checked on
2 dayssince 23 Sept
Pack price at each check; dashed while out of stock.
  1. First checked at Reflex Nutrition: £89.99

Questions about this product

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

£1.50 per 25 g protein, from £89.99 for 1.8 kg at Reflex Nutrition, checked on 9 October 2026.

Is it the cheapest whey protein isolate in the UK?

No, it is 111th of 123. Impact Whey Isolate Powder at Myprotein works out at 83p per 25 g protein.

How long does one pack last?

2 months at one 25 g dose. The pack holds 1,500 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 doseVisit Reflex Nutrition (opens in a new tab)

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