N Acetyl L Cysteine (NAC), 100 g
£9.99 for 100 g at Bulk. That works out at 6p per 600 mg, which ranks it 3rd of the 28 N-Acetyl Cysteine NAC products we price across 5 UK retailers.
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: 100 ÷ 0.7 per serving = 142.9
- In the pack: 142.9 × 700 mg = 100 g
- £9.99 ÷ 100 g × 600 mg = 5.99p per 600 mg
- A week 5.99p × 7 = 42p · a month × 30 = £1.80 · a year × 365 = £21.88
- 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 →
Switching to the Bulk pack saves 63p 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
- 700 mg per serving (stated on the label)
- Pack
- 100 g · 142.9 servings · 0.7 g a serving
- Cost per serving
- 7p (142.9 servings in the pack)
More label details
- Barcode
- 5060343741348
- Sold by
- Bulk
- What the listing says
- “100g” · “Per Serving (700 mg)” · “[N Acetyl L Cysteine ; 700mg]”
Ingredients
100% N-Acetyl L-Cysteine.
From the Bulk 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.
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Filled in from the label’s serving: 0.7 g.
What you paid
Optional. At Bulk today: £9.99.
“Order by” allows 3 working days’ delivery from Bulk and your spare days.
Price history
2 price changes since 20 September 2026. Checked on 22 days, most recently 20 October 2026.
- Lowest recorded
- £7.9923 Sept
- Highest recorded
- £9.995 Oct
- First recorded
- £9.9920 Sept
- Checked on
- 22 dayssince 20 Sept
- Up at Bulk: £7.99 → £9.99 (+25%)
- Down at Bulk: £9.99 → £7.99 (−20%)
- First checked at Bulk: £9.99
Questions about this product
How much does Bulk N Acetyl L Cysteine (NAC) cost per 600 mg?
6p per 600 mg, from £9.99 for 100 g at Bulk, checked on 20 October 2026.
Is it the cheapest N-Acetyl Cysteine NAC in the UK?
No, it is 3rd 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 100 g in total.
About Bulk
Founded 2006 · Colchester, England
Bulk is a British sports nutrition company based in Colchester, Essex. Adam Rossiter and Elliot Dawes, who met at the University of Essex, started it in 2006 as Bulk Powders; it was renamed Bulk at the start of 2021, and the founders remain its majority owners.
All 133 Bulk products, priced per doseVisit Bulk (opens in a new tab)
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