Effect of vitamin D supplementation on COVID-19 outcomes: an umbrella review of systematic reviews

BackgroundVitamin D is suggested as a supportive therapy to reduce the severity of COVID-19 due to its immunomodulatory and anti-inflammatory effects. However, its effect on critical outcomes, such as ICU admissions and mortality, shows significant variation across randomized clinical trials and met...

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Bibliographic Details
Main Authors: Pavlo Petakh, Iryna Kamyshna, Iryna Halabitska, Oleksandr Kamyshnyi
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-06-01
Series:Frontiers in Nutrition
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Online Access:https://www.frontiersin.org/articles/10.3389/fnut.2025.1559471/full
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