No Evidence That Vitamin D Prevents Or Treats COVID-19
UK's NICE reviews whether Vitamin D can prevent or treat COVID-19, finds evidence wanting.
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A study with nearly 500 patients with vitamin D levels tested within a year before receiving COVID-19 tests found subjects deficient in the nutrient had 1.77 greater chance of testing positive. Researchers say RCTs are needed to determine if broad population interventions are necessary.
Researchers say “no strong” evidence shows high vitamin D intake is beneficial to preventing or treating COVID-19, but adequate levels are needed to support immunity. Other researchers say countries should increase recommended vitamin D levels with “very suggestive” evidence supporting its effect against COVID-19 severity.
Analysis of 12 European countries shows most governments are not promoting the use of dietary supplements to support immunity during the COVID-19 pandemic.