Study done by the researcher concluded that vitamin C and zinc are not effective to reduce the risk to catch covid 19. According to the study publish in JAMA Network open, these two supplements were not beneficial to people who were on isolation due to covid 19. It was a belief that these two help in fighting colds and flu. Dr. Erin Michos of John Hopkins and Houston Methodist’s Dr. Miguel Cainzos- Achirica also quoted that these two failed to live up according to their belief.
Providing high doses of these supplement did side effects for patients rather than recovering from the covid 19. Effects like nausea, diarrhea and stomach cramps were reports when these supplements were provided.