Oxidation: Certain amino acid residues, particularly those with thiol or aromatic side chains, are vulnerable to oxidative damage from oxygen exposure and UV light
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Removal of COVID-19 spike protein, whole virus, exosomes, and exosomal microRNAs by the hemopurifier Lectin-affinity cartridge in critically ill patients with COVID-19 infection
On the other hand, addition of 30 mM GSSG, an oxidized form of GSH which has no antioxidant properties but is intrinsically acidic, resulted in a reduction in biofilm viability comparable to or greater than 30 mM GSH at intrinsic pH levels (Figure 5B)
While your body does produce its own glutathione, factors of modern living such as stress, poor diet, lack of exercise and environmental toxins could lead to a deficiency