About N-Acetylcysteine

N-Acetylcysteine (NAC) is a derivative of the naturally occurring amino acid L-cysteine. It is a precursor to glutathione, a powerful antioxidant produced in the body. NAC is used for its mucolytic (mucus-thinning) and antioxidant properties, and is involved in various cellular processes, including detoxification. It supports liver health, immune function, and respiratory health.

Key Information

Category
Specialty Compounds
Use Type
Inside Body

Compare All Forms

Compare different forms of N-Acetylcysteine by bioavailability, conversion rates, and active ingredient content:

Form Tier Steps N-Acetylcysteine
(mg)
Bioavailability Action
N-Acetylcysteine (NAC) Tier 2 1 — Moderate bioavailability form. Reliable form that works well but requires 1-2 step conversions by the body. Good balance of cost and effectiveness. View →