What about COVID-19 and vitamin D?

General Health
Long-time readers know that my "go-to" sources for natural medicines (herbs, vitamins, and supplements) are ConsumerLab.com and Natural Medicines(TM). ConsumerLab has posted about coronavirus and vitamin D: Vitamin D supplements, taken daily in moderate doses, may help to reduce the risk of respiratory infections and viruses such as influenza A in children and adults who are deficient (< 20 ng/mL) or severely deficient (< 10 ng/mL) in vitamin D.  Although there is not currently any research suggesting vitamin D supplements decrease the risk of coronavirus infection specifically, maintaining an adequate blood level of vitamin D (25OH vitamin D, 20 to 30 ng/mL) by consuming vitamin D-fortified products (such as most milks, certain other dairy foods, and some plant-based milks), or taking a vitamin D supplement is a good, safe, preventative measure for protecting against respiratory…
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