It is not clear if vitamin D supplements help prevent COVID-19 infection. You can help prevent infection from the COVID-19 virus by following these steps:
Vitamin D, like other vitamins and minerals, helps the body work. And vitamin D is known to have a role in the body's immune response.
Researchers are looking at the effect of vitamin D levels on COVID-19. Some researchers study ways to prevent illness. Others test the effect of vitamin D given to people in the hospital with COVID-19.
There is no clear picture on how or if vitamin D should be used in prevention or treatment of COVID-19.
But researchers think that not having the amount of vitamin D your body needs, also called vitamin D deficiency, might put people at higher risk of getting COVID-19 and lung, also called respiratory, illnesses overall.
Having enough vitamin D also may help people get the most out of their COVID-19 vaccination.
If you're concerned about your vitamin D level, ask your health care provider about getting it checked. And if you have a vitamin D deficiency, talk to your provider about how to get your levels up.
With
Daniel C. DeSimone, M.D.
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