demonstrated suggested inconclusive safety concern ongoing study display ongoing demontrated benefit only observational study
COVID-19 mild to moderateCOVID-19 severe or critically
COVID 19 hospitalizedCOVID-19 mild to moderateCOVID-19 severe or critically
Vitamins
vitamin C Kumari Zhang Jamali Moghadam Siahkali
Vitamin D Murai Annweiler ... Annweiler ... Entrenas ... Rastogi Espitia-Hernandez COVID-VIT-D
hight dose vitamin D COVIT-TRIAL

1 studies excluded by filtering options 2

7995 Hazan, 2021 2320excludednot a RCTrisk of bias not avaialble