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Amino acids & derivatives

NAC - N-Acetylcysteine, 180 capsules

£50.33 for 180 capsules at Healf. That works out at 34p per 600 mg, which ranks it 19th of the 28 N-Acetyl Cysteine NAC products we price across 5 UK retailers.

What it really costs, per 600 mg34pOne 600 mg dose is our comparison unit for N-Acetyl Cysteine. It is not a recommendation.

A day34p

A week£2.35

A month£10.07

A year£122.47

At one 600 mg dose a day, this pack lasts 5 months. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Servings: 180 ÷ 1 per serving = 180
In the pack: 180 × 500 mg = 90 g
£50.33 ÷ 90 g × 600 mg = 33.6p per 600 mg
A week 33.6p × 7 = £2.35 · a month × 30 = £10.07 · a year × 365 = £122.47
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 N-Acetyl Cysteine NAC

All 28, ranked →

Designs for HealthN-Acetyl-L-CysteineHealf · 900 mg a serving · £7.00 a month · a pack lasts 6 months23p£41.99View at Healf

N-Acetyl-L-Cysteine (NAC)Healf · 500 mg a serving · £7.35 a month · a pack lasts 2 months25p£18.38View at Healf

Liposomal NACHealf · 900 mg a serving · £8.40 a month · a pack lasts 3 months28p£25.20View at Healf

NAC 600 Mg.Healf · 600 mg a serving · £8.85 a month · a pack lasts 3 months29p£26.54View at Healf

NAC + Glycine PowderHealf · 1.8 g a serving · £9.79 a month · a pack lasts 3 months33p£29.38View at Healf

This productHealf · 500 mg a serving · £10.07 a month · a pack lasts 5 months34pshown above

Switching to the Healf pack saves £3.07 a month at the same 600 mg dose.

Ranked purely by price per 600 mg. 44 combination products also contain N-Acetyl Cysteine.

On the label

N-Acetyl Cysteine · NAC: 500 mg per serving (stated on the label)
Pack: 180 capsules · 180 servings · 1 capsule(s) a serving
Cost per serving: 28p (180 servings in the pack)

More label details

Sold by: Healf
What the listing says: “180caps” · “Serving Size: 1 Capsule” · “N-Acetyl-L-Cysteine ; 500 mg”

Ingredients

N-Acetyl-L-Cysteine, L-Leucine, Hypromellose (Derived from Cellulose) Capsule, Anti-Caking Agent (Silicon Dioxide)

From the Healf listing. Check the pack itself if you have an allergy: labels mark allergens in bold.

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Daily dosemgFordays

One 600 mg dose is our comparison unit, not a recommendation.

Price history

No price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.

Price at every check: £50.33Healf
First recorded: £50.331 Oct
Checked on: 20 dayssince 1 Oct

Pack price at each check.

1 OctFirst checked at Healf: £50.33

Questions about this product

How much does Thorne NAC - N-Acetylcysteine cost per 600 mg?

34p per 600 mg, from £50.33 for 180 capsules at Healf, checked on 20 October 2026.

Is it the cheapest N-Acetyl Cysteine NAC in the UK?

No, it is 19th of 28. N Acetyl L Cysteine (NAC) at Bulk works out at 4p per 600 mg.

How long does one pack last?

5 months at one 600 mg dose. The pack holds 90 g in total.

About Thorne

All 123 Thorne products, priced per dose

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