Last Updated: February 26, 2024

N-acetylcysteine (NAC) is a precursor for the amino acid L-cysteine. It has antioxidant, anti-inflammatory, and mucus thinning properties. NAC can act as a direct antioxidant, but more importantly, it provides the cysteine required for the production of glutathione, a powerful antioxidant produced in the body. NAC is commonly taken as a supplement for health and wellness and is used in clinical settings to treat drug overdose, cystic fibrosis, and chronic obstructive pulmonary disease.

N-Acetylcysteine is most often used for.

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1.^Micaely Cristina Dos Santos Tenório, Nayara Gomes Graciliano, Fabiana Andréa Moura, Alane Cabral Menezes de Oliveira, Marília Oliveira Fonseca GoulartN-Acetylcysteine (NAC): Impacts on Human HealthAntioxidants (Basel).(2021 Jun 16)
2.^Guerini M, Condrò G, Friuli V, Maggi L, Perugini PN-acetylcysteine (NAC) and Its Role in Clinical Practice Management of Cystic Fibrosis (CF): A Review.Pharmaceuticals (Basel).(2022-Feb-11)