glutathione peroxidase and vitamin e Role of as a lipid-soluble peroxyl radical scavenger: in vitro in vivo evidence On the Potential Role of
Description
W., Rogers, W

SOD catalyzes tyrosine nitration by peroxynitrite, but would generally be expected to reduce peroxynitrite formation by scavenging superoxide

But you cant see that from the result of the B12 test

Safety of Intravenous Infusion of BPC157 in Humans: A Pilot Study
Bethesda, MD: American Society of Health-System Pharmacists, 2012 p.3619-3622 McClintock SD, Till GO, Smith MG, Ward PA
This maintenance period was followed by a 5-week follow up period