According to this study:
https://academic.oup.com/cid/advance-ar ... 59/7660393Metformin reduced the odds of hospitalizations/death through 28 days by 58%.
Favorable Antiviral Effect of Metformin on Covid-19 Viral Load
https://academic.oup.com/cid/advance-ar ... 59/7660393Metformin reduced the odds of hospitalizations/death through 28 days by 58%.