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Home › Amino acids & derivatives › N-Acetyl Cysteine

VitaBrightAmino acids & derivativesVegan

NAC (N Acetyl Cysteine), 2 × 180 capsules

£33.99 for 2 × 180 capsules at VitaBright. That works out at 9p per 600 mg, which ranks it 7th of the 28 N-Acetyl Cysteine NAC products we price across 5 UK retailers.

What it really costs, per 600 mg9pOne 600 mg dose is our comparison unit for N-Acetyl Cysteine. It is not a recommendation.
A day9p
A week66p
A month£2.83
A year£34.46

At one 600 mg dose a day, this pack lasts 12 months. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

  • Servings: 180 × 2 packs ÷ 1 per serving = 360
  • In the pack: 360 × 600 mg = 216 g
  • £33.99 ÷ 216 g × 600 mg = 9.44p per 600 mg
  • A week 9.44p × 7 = 66p · a month × 30 = £2.83 · a year × 365 = £34.46
  • 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 →
N Acetyl L Cysteine (NAC)Bulk · 700 mg a serving · £1.26 a month · a pack lasts 2.3 years4p£34.99View at Bulk (opens in a new tab)
N Acetyl L Cysteine (NAC)Bulk · 700 mg a serving · £1.80 a month · a pack lasts 5 months6p£9.99View at Bulk (opens in a new tab)
VitaBrightNAC (N Acetyl Cysteine)VitaBright · 600 mg a serving · £2.50 a month · a pack lasts 2 years8p£59.97View at VitaBright (opens in a new tab)
VitaBrightNAC (N Acetyl Cysteine)VitaBright · 600 mg a serving · £2.67 a month · a pack lasts 1.5 years9p£47.99View at VitaBright (opens in a new tab)
WeightWorldN-Acetyl Cysteine CapsulesWeightWorld · 600 mg a serving · £2.75 a month · a pack lasts 6 months9p£16.48View at WeightWorld (opens in a new tab)
VitaBrightThis productVitaBright · 600 mg a serving · £2.83 a month · a pack lasts 12 months9pshown above

Switching to the Bulk pack saves £1.57 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
2 × 180 capsules · 360 servings · 1 capsule(s) a serving
Cost per serving
9p (360 servings in the pack)
More label details
Claimed on the listing
vegan
Sold by
VitaBright
What the listing says
“2 Bottles” · “2 Bottles - 360 Capsules” · “Serving Size: 1 Capsule” · “N-Acetyl-L-Cysteine (free form) ; 600 mg”
Ingredients

N-Acetyl-L-Cysteine, Rice Flour, Vegetable Capsules Shell (HydroxyPropylMethylCellulose).

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

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

Price history

No price change since 9 October 2026. Checked on 1 day, most recently 9 October 2026.

Price at every check
£33.99VitaBright
First recorded
£33.999 Oct
Checked on
1 daysince 9 Oct

Checked once so far, on 9 October 2026.

  1. First checked at VitaBright: £33.99

Questions about this product

How much does VitaBright NAC (N Acetyl Cysteine) cost per 600 mg?

9p per 600 mg, from £33.99 for 2 × 180 capsules at VitaBright, checked on 9 October 2026.

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

No, it is 7th of 28. N Acetyl L Cysteine (NAC) at Bulk works out at 4p per 600 mg.

How long does one pack last?

12 months at one 600 mg dose. The pack holds 216 g in total.

About VitaBright

All 140 VitaBright products, priced per dose

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