Acetylcysteine is used to treat acetaminophen overdose and to loosen thick mucus in individuals with cystic fibrosis or chronic obstructive pulmonary disease. Based on the transcript, it was mentioned in conjunction with Knack, both of which can support glutathione production and detoxification.
"Mentioned as a supplement taken to support glutathione production and detoxification after discovering elevated mercury levels through Function Health testing. It's mentioned in the context of addressing a specific health issue."