2001 Mar;34(1):2940
The pentose phosphate pathway generates NADPH from glucose, while mitochondrial enzymes produce NADPH to support glutathione recycling inside mitochondria [9]
Enhancement of glutathione production by altering adenosine metabolism of Escherichia coli in a coupled ATP regeneration system with Saccharomyces cerevisiae
Funding This research was supported by the China Postdoctoral Science Foundation (2021M701420), Guangdong Basic and Applied Basic Research Foundation (2022A1515110021), Guangzhou Science and Technology Projects Foundation (202201020002), Scientific Research Project of Guangdong TCM Bureau (20221105), Guangdong Medical Research Foundation (A2022214)
Its a good idea to talk to your doctor before starting a new supplement, such as glutathione
Whether that is useful depends on diet, medical history, medications, tolerance and the reason for supplementation