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Amino acids & derivatives

NAC Liver Support with Milk Thistle, 60 capsules

£21.96 for 60 capsules 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 600 mg88pOne 600 mg dose is our comparison unit for N-Acetyl Cysteine. It is not a recommendation.

A day88p

A week£6.15

A month£26.35

A year£320.62

At one 600 mg dose a day, this pack lasts 25 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Servings: 60 ÷ 2 per serving = 30
In the pack: 30 × 500 mg = 15 g
£21.96 ÷ 15 g × 600 mg = 87.8p per 600 mg
A week 87.8p × 7 = £6.15 · a month × 30 = £26.35 · a year × 365 = £320.62
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: N-Acetyl Cysteine NAC

All 28, ranked →

N Acetyl L Cysteine (NAC)Cheapest per 600 mgBulk · 700 mg a serving · £1.17 a month · a pack lasts 4.6 years4p£64.99View at Bulk

N Acetyl L Cysteine (NAC)Bulk · 700 mg a serving · £1.26 a month · a pack lasts 2.3 years4p£34.99View at Bulk

N Acetyl L Cysteine (NAC)Bulk · 700 mg a serving · £1.80 a month · a pack lasts 5 months6p£9.99View at Bulk

This productHealf · 500 mg a serving · £26.35 a month · a pack lasts 25 days88pshown above

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: 60 capsules · 30 servings · 2 capsule(s) a serving
Cost per serving: 73p (30 servings in the pack)

More label details

Sold by: Healf
What the listing says: “60 caps” · “Servings Per Container: 30” · “Serving Size: 2 Capsules” · “N-Acetyl-Cysteine (NAC) ; 500 mg”

Ingredients

N-Acetyl-Cysteine (NAC), Milk Thistle Seed Extract, Organic Broccoli Sprout Powder, Bulking Agent (Microcrystalline Cellulose), Capsule (Hydroxypropyl Methylcellulose)

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: £21.962 Oct
Highest recorded: £26.931 Oct
First recorded: £26.931 Oct
Checked on: 20 dayssince 1 Oct

Pack price at each check.

2 Oct Down at Healf: £26.93 → £21.96 (−18%)
1 OctFirst checked at Healf: £26.93

Questions about this product

How much does Dr. Mercola NAC Liver Support with Milk Thistle cost per 600 mg?

88p per 600 mg, from £21.96 for 60 capsules at Healf, checked on 20 October 2026.

How long does one pack last?

25 days at one 600 mg dose. The pack holds 15 g in total.

About Dr. Mercola

All 11 Dr. Mercola products, priced per dose

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