glutathione reductase gene Glutathione-Related Enzymes and Proteins: A Review It favors its accumulation in the regions of high electron flux in cells where reactive species are generated. Glutathione reductase - Wikipedia

Conclusion Glutathione is vital for overall health and longevity, playing roles in antioxidant defense, detoxification, and immune function

Unfortunately, natural supplements do not fall under the jurisdiction of the FDA, and therefore they do not undergo the same intense levels of scrutiny that prescription medications need to pass before being approved for use

Do I need a consultation first

Not through any techno-fantasies of biohacking or wonder-drug supplements but largely with highly rigorous, detailed and personalized monitoring and treatment of our nutrition, sleep, exercise and mental health

But the pharmacist said that the reason is that it could get contaminated

Treg deficiency-mediated TH 1 response causes human premature ovarian insufficiency through apoptosis and steroidogenesis dysfunction of granulosa cells