- Type
- Amino acid supplement
Why it is flagged
No hormonal concern identified; trials in PCOS report better ovulation and insulin markers. Health Canada's monograph caps supplements at 600 mg a day and says to ask a professional in pregnancy.
Sources
- N-Acetyl-L-Cysteine (Natural Health Products Ingredients Database monograph) Health Canada, 2025
- N-Acetylcysteine for Polycystic Ovary Syndrome: A Systematic Review and Meta-Analysis of Randomized Controlled Clinical Trials Obstetrics and Gynecology International, 2015
Also listed as
n acetyl cysteine, n-acetyl-l-cysteine, acetylcysteine, nac, n-acetyl cysteine, acétylcystéine, n-acétylcystéine, acetilcisteina