It is not clear if vitamin D supplements help prevent infection with the COVID-19 virus. You can help prevent this infection 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 defenses against germs. These defenses also are called the immune response.
Researchers are looking at the effect of vitamin D levels on infection with the COVID-19 virus. 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 might raise the risk of COVID-19. Not having enough vitamin D also may raise the overall risk of lung illnesses, also called respiratory illnesses. If your level of vitamin D is too low, you'll likely hear your healthcare professional call it a vitamin D deficiency.
On the other hand, having enough vitamin D may help people get the most out of their COVID-19 vaccinations.
If you're concerned about your vitamin D level, ask your healthcare professional about getting it checked. And if you have a vitamin D deficiency, talk with your healthcare professional about how to get your level up.
With
Daniel C. DeSimone, M.D.
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