More data needed before Metformin is added to treatment guidelines for Covid but I've definitely been urging my diabetic patients to remain on it in light of these possible additional benefits re Covid.
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For what it's worth Berberine appears to help as well, probably for the same reasons.
https://pubmed.ncbi.nlm.nih.gov/36183284/
I've never had a problem reading anything on Medscape before, but it appears to be behind a registration now, unfortunately.
