Can vitamin C’s immune boosting effects ward off coronavirus?
There's no evidence that taking vitamin C regularly can help prevent coronavirus or COVID-19. In fact, there's a lot of research looking at vitamin C to help prevent the common cold and it has shown to not be effective. There is a small study looking at high doses of vitamin C either by mouth of IV (intravenous). In that study, high-dose vitamin C appeared to decrease the time on a ventilator for seriously ill people with COVID-19. More research is underway to better understand how we might use IV vitamin C to help treat COVID-19.
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