glutathione is a tripeptide containing a centralresidue (GSH), with an active –SH function. GSH Frontiers | Glutathione: Pharmacological aspects

The most important difference is dose magnitude

Ortega MA, Alvarez-Mon MA, Garca-Montero C, Fraile-Martinez O, Guijarro LG, Lahera G, Monserrat J, Valls P, Mora F, Rodrguez-Jimnez R, Quintero J, lvarez-Mon M (2022) Gut microbiota metabolites in major depressive disorderdeep insights into their pathophysiological role and potential translational applications

Please see below for treatment details.

The Secondary Prevention with Antioxidants of Cardiovascular Disease in End-Stage Renal Disease (SPACE) study by Boaz et al

3.2.2 Neutrophil membrane-coated nanoparticles In addition to macrophages, other immune cells, such as neutrophils, offer distinct benefits for cytokine neutralization (173175)