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Amino acids & derivatives

NAC 600 Mg., 90 capsules

£26.54 for 90 capsules at Healf. That works out at 29p per 600 mg, which ranks it 17th of the 28 N-Acetyl Cysteine NAC products we price across 5 UK retailers.

What it really costs, per 600 mg29pOne 600 mg dose is our comparison unit for N-Acetyl Cysteine. It is not a recommendation.

A day29p

A week£2.06

A month£8.85

A year£107.63

At one 600 mg dose a day, this pack lasts 3 months. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Servings: 90 ÷ 1 per serving = 90
In the pack: 90 × 600 mg = 54 g
£26.54 ÷ 54 g × 600 mg = 29.5p per 600 mg
A week 29.5p × 7 = £2.06 · a month × 30 = £8.85 · a year × 365 = £107.63
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 →

PRO NAC 600 MGHealf · 600 mg a serving · £5.69 a month · a pack lasts 2 months19p£11.38View at Healf

NAC (N-Acetyl-L-Cysteine)Healf · 500 mg a serving · £5.78 a month · a pack lasts 2 months19p£14.45View at Healf

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

This productHealf · 600 mg a serving · £8.85 a month · a pack lasts 3 months29pshown above

Switching to the Healf pack saves £3.16 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: 600 mg per serving (stated on the label)
Pack: 90 capsules · 90 servings · 1 capsule(s) a serving
Cost per serving: 29p (90 servings in the pack)

More label details

Claimed on the listing: vegetarian
Sold by: Healf
What the listing says: “90 caps” · “Servings Per Container: 90” · “Serving Size: 1 capsule” · “N-Acetyl-L-Cysteine (Free-Form) ; 600 mg”

Ingredients

N-Acetyl-L-Cysteine (Free-Form), Vegetarian Capsule (Cellulose, Water), Antioxidant (Ascorbyl Palmitate)

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

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

Lowest recorded: £26.543 Oct at Healf
Highest recorded: £41.8015 Oct at W-Wellness
First recorded: £29.651 Oct
Checked on: 20 dayssince 1 Oct

Healf
W-Wellness

Pack price at each check.

15 OctFirst checked at W-Wellness: £41.80
3 Oct Down at Healf: £29.65 → £26.54 (−10%)
1 OctFirst checked at Healf: £29.65

Questions about this product

How much does Pure Encapsulations NAC 600 Mg. cost per 600 mg?

29p per 600 mg, from £26.54 for 90 capsules at Healf, checked on 20 October 2026.

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

No, it is 17th of 28. N Acetyl L Cysteine (NAC) at Bulk works out at 4p per 600 mg.

How long does one pack last?

3 months at one 600 mg dose. The pack holds 54 g in total.

About Pure Encapsulations

All 135 Pure Encapsulations products, priced per dose

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