glutathione standard Pharmaceutical Secondary Standard, MilliporeSigma™ Supelco™ These are suitable for use in several analytical applications including but not limited to pharma release testing Sigma-Aldrich Glutathione GSH/GSSG Assay Kit,

Sci Rep 7:44055 Dalle-Donne I, Rossi R, Colombo G, Giustarini D, Milzani A (2009) Protein S-glutathionylation: a regulatory device from bacteria to humans

FMT from PLR-RStreated mice to stroke mice reproduced these protective effects, highlighting a gut microbiotamelatonin axis as a therapeutic mechanism (Zhou et al., 2023)

Stock solution can be kept at 80 C for up to 1 year without any decomposition (verified by LCMS)

GSH undergoes conjugation reactions with these very reactive compounds generally rendering metabolites far less oxidising and reactive and more polar and hydrophilic than their parent compounds and so easier to excrete