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Using plain sterile water may work short-term, but it lacks the preservative properties needed for multi-use and longer storage

Arch Intern Med 137, 1977

SARS-CoV-2 has been shown to decrease GSH by reducing Cys uptake, increasing thiol efflux, inhibiting Nrf2, and inhibiting BRCA1

However, further studies are warranted to establish whether exogenous GLP-2 reduces human gallbladder emptying in a direct or indirect fashion

These injections offer their own pros and cons
