glutathione peroxidase deficiency Figure 1 from Comparing glutathione
Description
Animal studies are promising, showing enhanced healing of connective tissue and protective effects on the digestive tract

Sutter, E

doi: 10.1128/IAI.00990-15

An injection at the surgery is a different situation to that of injecting personal contents of expired ampoule

This is very difficult to test directly in practice because it requires direct comparison of the extent of tolerance produced by morphine with opioids that exhibit comparable intrinsic efficacy for G protein activation but much higher efficacy for endocytosis than morphine, while ensuring equivalent receptor stimulation and duration of action

A.CowanJ