vitamin D

Scientists tested vitamin D for COVID and found an unexpected long COVID clue

Date: March 15, 2026 Source: Mass General Brigham Summary: A major clinical trial has delivered an unexpected twist in the search for ways to fight COVID-19 and its lingering effects. Researchers at Mass General Brigham found that taking high doses of vitamin D3 did not make COVID-19 infections less severe or reduce hospital visits. However, […]

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Trial finds vitamin D supplements don’t reduce COVID severity but could reduce long COVID risk

by Mass General Brigham edited by Sadie Harley, reviewed by Andrew Zinin  Editors’ notes  The GIST Add as preferred source Credit: Unsplash/CC0 Public Domain In a large, randomized trial, researchers at Mass General Brigham found that high-dose vitamin D3 did not reduce COVID-19 infection severity, but may impact long COVID outcomes. Results of the study are published in The

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Low vitamin D levels linked to 33% higher risk of hospitalization for severe respiratory infections

by University of Surrey edited by Sadie Harley, reviewed by Robert Egan  Editors’ notes  The GIST Add as preferred source Credit: Unsplash/CC0 Public Domain Severe vitamin D deficiency is associated with a higher rate of hospitalization for respiratory tract infections such as bronchitis and pneumonia, according to a new study led by the University of Surrey. Scientists found

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7 Vitamin D Interactions to Watch For

 Interactions to Watch For Written by Rosanna Sutherby, PharmD | Reviewed by Stacia Woodcock, PharmD Published on September 16, 2024 Key takeaways: Vitamin D is crucial for maintaining bone health and other essential functions. If you have low vitamin D levels, you may need a supplement such as vitamin D2 (ergocalciferol) or vitamin D3 (cholecalciferol). Vitamin D supplements can interact with

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Lower vitamin D consistently linked with higher depression in adults

by Association of Basic Medical Sciences of FBIH edited by Sadie Harley, reviewed by Robert Egan  Editors’ notes Graphical abstract. Credit: Biomolecules and Biomedicine (2025). DOI: 10.17305/bb.2025.12331 Researchers report in a study, published in Biomolecules and Biomedicine, that lower blood levels of vitamin D are consistently linked with higher rates of depression in adults—especially when 25-hydroxy-vitamin D [25(OH)D] falls at or below 30

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Magnesium inhibits colorectal cancer carcinogenesis by increasing vitamin D-synthesizing bacteria

by Tom Wilemon, Vanderbilt University edited by Gaby Clark, reviewed by Andrew Zinin Mechanistic figure: Magnesium supplementation increases levels of C. maltaromaticum and F. prausnitzii. Credit: The American Journal of Clinical Nutrition (2025). DOI: 10.1016/j.ajcnut.2025.09.011 Researchers from Vanderbilt University Medical Center have demonstrated in a precision-based clinical trial that a magnesium supplement increases gut bacteria in humans that have been

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Orders for Wrong Vitamin D Test Rising – health informatics

ORLANDO, Florida — Inappropriate orders for the 1,25-dihydroxy vitamin D test have been increasing in recent years, according to the authors of a paper being presented at the College of American Pathologists (CAP) 2025 meeting. Two tests for vitamin D predominate in the US, Rita Khoury, MD, laboratory director of Aculabs in East Brunswick, New Jersey, noted: the 25-hydroxy

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Can vitamin D supplements really slow aging, as a recent study suggests?

by Dervla Kelly, The Conversation edited by Sadie Harley, reviewed by Andrew Zinin Credit: Unsplash/CC0 Public Domain Vitamin D supplements could help protect the caps on our chromosomes that slow aging, sparking hopes the sunshine vitamin might keep us healthier for longer, a recent study suggests. The researchers discovered that taking 2,000 IU (international units, a standard measure

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7 Vitamin D Interactions to Watch For

Written by Rosanna Sutherby, PharmD | Reviewed by Stacia Woodcock, PharmD Published on September 16, 2024 Vitamin D is crucial for maintaining bone health and other essential functions. If you have low vitamin D levels, you may need a supplement such as vitamin D2 (ergocalciferol) or vitamin D3 (cholecalciferol). Vitamin D supplements can interact with other medications. Examples of vitamin D

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Chungnam National University researchers reveal how vitamin D is shown to reduce liver damage by boosting TXNIP activity in cholangiocytes

A new study uncovers how vitamin D activates the TXNIP gene in ductular cells to reduce inflammation and fibrosis in chronic liver disease Peer-Reviewed Publication Chungnam National University Evaluation Team FacebookXLinkedInWeChatBlueskyMessageWhatsAppEmail image: Vitamin D upregulates gene TXNIP, a key regulator of oxidative stress and inflammation in ductular cells, which in turn inhibits ductular reaction, inflammation,

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