N Acetyl Cysteine (NAC) 210 x 500 mg capsules by Double Wood Supplements Increases Glutathione Levels : Target Top 9 Health Benefits of NAC (N Acetyl Cysteine) The effects of N acetylcysteine on ovulation and sex hormones profile in women with polycystic ovary syndrome: a systematic review and meta analysis British Journal of Nutrition Cambridge Core N acetylcysteine (NAC): Health Benefits, Side Effects, Dosage, and More As I mention in my book, N acetyl cysteine (NAC) is not found in food sources, but in the body, it converts into cysteine. NAC acts as a precursor to glutathione, a powerful N Acetyl Cysteine supplementation lowers high homocysteine plasma levels and increases Glutathione synthesis in the trans sulfuration pathway: Beneficial effects on several cardiovascular and neurodegenerative diseases Italian Journal of Medicine