Sperm cells rely heavily on antioxidant defenses to protect themselves from oxidative damage, and selenium plays a central role in that process through enzymes such as glutathione peroxidase 4 (GPx4), which helps support normal sperm development and motility.45 Just as importantly, selenium has been studied alongside NAC in human clinical research
For skin-focused goals, topical application is the preferred method
Glutathione is naturally produced in our body
Acknowledgments This work was supported in part by the Japan Study Group of NAFLD (JSG-NAFLD, Kyoto, Japan)
However, its use is primarily for research purposes, and further studies are needed to fully understand its long-term effects and applications before it is approved by drug administration agencies or the FDA
Glutathione may be one of those buzzwords we often hear about without understanding what it actually is