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Sports & performance

Whey Protein Isolate, Vanilla, 14 sachets

£37.76 for 14 sachets at Healf. It carries more than one active ingredient, so it is not ranked against single-ingredient products. Each price below counts one ingredient only.

What it really costs, per 25 g protein£3.21One 25 g dose is our comparison unit for protein powder. It is not a recommendation.

A day£3.21

A week£22.48

A month£96.33

A year£1171.97

At one 25 g dose a day, this pack lasts 12 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Servings: 14 ÷ 1 per serving = 14
In the pack: 14 × 21 g = 294 g
£37.76 ÷ 294 g × 25 g = £3.21 per 25 g protein
A week £3.21 × 7 = £22.48 · a month × 30 = £96.33 · a year × 365 = £1171.97
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.

How it compares: whey protein isolate

All 123, ranked →

Impact Whey Isolate PowderCheapest per 25 g proteinMyprotein · 24 g a serving · £24.98 a month · a pack lasts 19 days83p£15.99View at Myprotein

Pure Whey IsolateBulk · 26 g a serving · £36.34 a month · a pack lasts 5 months£1.21£167.99View at Bulk

Pure Whey IsolateBulk · 26 g a serving · £38.94 a month · a pack lasts 2 months£1.30£89.99View at Bulk

This productHealf · 21 g a serving · £96.33 a month · a pack lasts 12 days£3.21shown above

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

On the label

Protein powder · Whey isolate: 21 g per serving (stated on the label)
Pack: 14 sachets · 14 servings · 1 sachet(s) a serving
Cost per serving: £2.70 (14 servings in the pack)

More label details

Testing: Claimed on the label (not verified by us)
Sold by: Healf
What the listing says: “14 packets” · “Servings Per Container: 14” · “Serving Size: 1 Packet (27.9g)” · “Protein ; 21 g”

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Daily dosegFordays

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

Price history

1 price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.

Lowest recorded: £20.491 Oct
Highest recorded: £37.768 Oct
First recorded: £20.491 Oct
Checked on: 20 dayssince 1 Oct

Pack price at each check.

8 Oct Up at Healf: £20.49 → £37.76 (+84%)
1 OctFirst checked at Healf: £20.49

Questions about this product

How much does Thorne Whey Protein Isolate cost per 25 g protein?

£3.21 per 25 g protein, from £37.76 for 14 sachets at Healf, checked on 20 October 2026.

How long does one pack last?

12 days at one 25 g dose. The pack holds 294 g in total.

About Thorne

All 123 Thorne products, priced per dose

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