"New study shows metformin given during acute COVID-19 infection reduced risk of clinician-diagnosed long COVID by 50%"

"At 6 months, participants who received metformin experienced a 50% relative reduction in the risk of clinician-diagnosed long COVID compared with those receiving placebo"

Source: https://medicalxpress.com/news/2026-06-metformin-acute-covid-infection-clinician.html

Study: https://academic.oup.com/cid/advance-article/doi/10.1093/cid/ciag335/8702406