N-Acetyl-Cysteine, Glutathione and COVID-19 - A simple intervention that may reduce the destructiveness of COVID-19 infection

Some resources explaining the connection. The main rate-limiting precursor of glutathione is cysteine, (as in n-acetyl-cysteine) with glutamine and glycine also being significant.

Med Hypotheses
. 2020 Apr 22;140:109778.  doi: 10.1016/j.mehy.2020.109778. Online ahead of print.
N-acetyl-cysteine may prevent COVID-19-associated cytokine storm and acute respiratory distress syndrome
Stelios F Assimakopoulos  1 , Markos Marangos  2
Affiliations  expand
PMID: 32344315
PMCID: PMC7195028

. 2020 Oct;34(10):13185-13193.  doi: 10.1096/fj.202001807. Epub 2020 Aug 11.
Rationale for the use of N-acetylcysteine in both prevention and adjuvant therapy of COVID-19
Silvio De Flora  1 , Roumen Balansky  2 , Sebastiano La Maestra  1
Affiliations  expand
PMID: 32780893
PMCID: PMC7436914

Future Microbiol
. 2020 Jul;15:959-962.  doi: 10.2217/fmb-2020-0074. Epub 2020 Jul 14.
N-acetylcysteine as a potential treatment for COVID-19
Rangel-Méndez Jorge-Aarón  1 , Moo-Puc Rosa-Ester  1
Affiliations  expand
PMID: 32662664
PMCID: PMC7359418