bfad approved glutathione injectable FDA highlights concerns with using dietary ingredient to compound sterile injectables Best Glutathione Injectable in 2025:

Using a lesser diluent, like simple sterile water, is possible for single-use applications, but it offers no protection against contamination once the vial's septum has been punctured

Naunyn Schmiedebergs Arch Pharmacol 393:22092220 Alshahrani SH, Almajidi YQ, Hasan EK, Saleh EAM, Alsaab HO, Pant R, Hassan ZF, Al-Hasnawi SS, Romero-Parra RM, Mustafa YF (2023) Hyperbaric oxygen in combination with epigallocatechin-3-gallate synergistically enhance recovery from spinal cord injury in rats

KIM, S.-J., KIM, H.-G., LIM, H.-W., PARK, E.-H., LIM, C.-J., 2005

Long-term safety remains untested, highlighting the need for professional supervision