glutathione is a thiole Thiols and Sulfides Molecular structures of LMW thiols:
Description
doi: 10.1089/ars.2012.4720

Thus, EPO could be a potential bio-replenishment to reverse FeRD in COVID-19 and help reset HMRD in PASC patients 27,484,485

Peptide may be degraded

McLachlan SM, Rapoport B
