demonstrated suggested inconclusive safety concern ongoing study display ongoing demontrated benefit only observational study
COVID 19 outpatients
Vitamins
vitamin C Thomas ...
zinc plus vitamin c Thomas ...
Vitamin D Espitia-Hernandez

2 studies excluded by filtering options 2

5671 Aisa-Alvarez, 2020 210excludedrisk of bias not avaialble
7995 Hazan, 2021 2320excludednot a RCTrisk of bias not avaialble