Glutathione is a naturally occurring tripeptide composed of three vital amino acids: cysteine, glutamate, and glycine
NEUROPROTECTION AND MITOCHONDRIAL PRESERVATION NAC has been shown to shield neurons from damage, preserve mitochondrial function, and promote the survival of neurons
(PubMed) Cho HJ, Lim do Y, Kwon GT, et al
The supplement form of cysteine is called N-Acetyl Cysteine
Remember that cysteine is one of the precursors to glutathione, so the idea is that ingesting NAC as a supplement indirectly increases your glutathione levels
The authors concluded that ashwagandha may be useful during cancer chemotherapy for the prevention of bone marrow suppression (Gupta 2001)