N Acetyl L Cysteine (NAC), 500 g
£34.99 for 500 g at Bulk. That works out at 4p per 600 mg, which ranks it 2nd of the 28 N-Acetyl Cysteine NAC products we price across 5 UK retailers.
At one 600 mg dose a day, this pack lasts 2.3 years. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- Servings: 500 ÷ 0.7 per serving = 714.3
- In the pack: 714.3 × 700 mg = 500 g
- £34.99 ÷ 500 g × 600 mg = 4.2p per 600 mg
- A week 4.2p × 7 = 29p · a month × 30 = £1.26 · a year × 365 = £15.33
- 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 9p 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
- 500 g · 714.3 servings · 0.7 g a serving
- Cost per serving
- 5p (714.3 servings in the pack)
More label details
- Barcode
- 5060343741355
- Sold by
- Bulk
- What the listing says
- “500g” · “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: £34.99.
“Order by” allows 3 working days’ delivery from Bulk and your spare days.
Price history
No price change since 20 September 2026. Checked on 1 day, most recently 20 September 2026.
- Price at every check
- £34.99Bulk
- First recorded
- £34.9920 Sept
- Checked on
- 1 daysince 20 Sept
Checked once so far, on 20 September 2026.
- First checked at Bulk: £34.99
Questions about this product
How much does Bulk N Acetyl L Cysteine (NAC) cost per 600 mg?
4p per 600 mg, from £34.99 for 500 g at Bulk, checked on 20 September 2026.
Is it the cheapest N-Acetyl Cysteine NAC in the UK?
No, it is 2nd of 28. N Acetyl L Cysteine (NAC) at Bulk works out at 4p per 600 mg.
How long does one pack last?
2.3 years at one 600 mg dose. The pack holds 500 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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