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N-Acetyl Cysteine is a supplement containing N-acetylcysteine (NAC), a modified form of the amino acid cysteine.
What is N-acetylcysteine (NAC)?
N-acetylcysteine (NAC) is a derivative of cysteine.
More stable and better tolerated, it is often preferred to cysteine itself for oral administration.
Once ingested, NAC is easily converted into cysteine. Remember that this amino acid is, in particular, used for the endogenous production of glutathione, levels of which decline with age.
Glutathione is actually a tripeptide composed of three amino acids: glutamic acid, glycine and the famous cysteine.
N-acetylcysteine is officially recognised by the WHO for its effects on human health.
N-Acetyl Cysteine: a perfectly-dosed formulation
Our product comes in the form of vegetarian capsules, each of which contains 600mg of N-acetylcysteine.
Though the dose can vary depending on individual need, 1 to 3 capsules a day is generally the amount recommended.
Taking vitamin C at the same time can also be beneficial in helping to protect your cells against oxidative stress. If in doubt, seek advice from a health professional.
What is in N-Acetyl Cysteine
Any questions?
Our team of nutrition experts and scientists has the answers.
This product’s capsules are composed of HPMC (hydroxypropyl methylcellulose), a plant substance derived from cellulose. HPMC is widely used for medicines and dietary supplements. It contains no animal ingredients, is recognised as safe by health authorities and is considered more sustainable than synthetic alternatives.
may 4 2026
The capsule format is pleasant
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april 28 2026
Finally, an NAC that isn't effervescent (and therefore full of salt!). But you have to drink a big glass of water with each dose. It's a myriad of benefits!!
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april 18 2026
Helps to effectively eliminate phlegm
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april 8 2026
Excellent product, especially recommended if the liver is weak...
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april 6 2026
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Hello Elisabeth,
Thank you very much for your positive feedback. We are delighted to know that you are fully satisfied with your experience.
Please donât hesitate to reach out if you have any questions or need assistance.
Best regards,
The Supersmart Team