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1st PhormSports & performance

Phormula-1, Salted Caramel

£42.49 for 30 servings at Healf. That works out at £1.54 per 25 g protein, which ranks it 114th of the 123 whey protein isolate products we price across 6 UK retailers.

What it really costs, per 25 g protein£1.54One 25 g dose is our comparison unit for protein powder. It is not a recommendation.

A day£1.54

A week£10.78

A month£46.18

A year£561.91

At one 25 g dose a day, this pack lasts 28 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

In the pack: 30 × 23 g = 690 g
£42.49 ÷ 690 g × 25 g = £1.54 per 25 g protein
A week £1.54 × 7 = £10.78 · a month × 30 = £46.18 · a year × 365 = £561.91
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 →

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

Isolate ProReflex Nutrition · 25 g a serving · £44.99 a month · a pack lasts 2 months£1.50£89.99View at Reflex Nutrition

Grass-Fed Impact Whey IsolateMyprotein · 25 g a serving · £45.89 a month · a pack lasts 33 days£1.53£50.99View at Myprotein

1st PhormThis productHealf · 23 g a serving · £46.18 a month · a pack lasts 28 days£1.54shown above

Switching to the Protein Works pack saves £4.01 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: 23 g per serving (stated on the label)
Pack: 30 servings · 27.7 g a serving
Cost per serving: £1.42 (30 servings in the pack)

More label details

Sold by: Healf
What the listing says: “Servings Per Container: 30” · “Serving Size: 1 Scoop (27.7g)” · “Protein ; 23 g”

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Daily dosegFordays

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

Price history

No price change since 1 October 2026. Checked on 1 day, most recently 1 October 2026.

Price at every check: £42.49Healf
First recorded: £42.491 Oct
Checked on: 1 daysince 1 Oct

Checked once so far, on 1 October 2026.

1 OctFirst checked at Healf: £42.49

Questions about this product

How much does 1st Phorm Phormula-1 cost per 25 g protein?

£1.54 per 25 g protein, from £42.49 for 30 servings at Healf, checked on 30 September 2026.

Is it the cheapest whey protein isolate in the UK?

No, it is 114th of 123. Impact Whey Isolate Powder at Myprotein works out at 83p per 25 g protein.

How long does one pack last?

28 days at one 25 g dose. The pack holds 690 g in total.

About 1st Phorm

All 13 1st Phorm products, priced per dose

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