Vitamin d put to the test against COVID-19
NCT ID NCT07128069
First seen Jan 10, 2026 · Last updated May 16, 2026 · Updated 20 times
Summary
This study tested whether taking a moderate dose of vitamin D (4,000 IU daily) could lower the chance of getting COVID-19 compared to a low dose (400 IU daily). Over 2,000 adults from the Chicago area and other US communities took part. Participants reported any COVID-19 infections over 12 months.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Locations
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University of Chicago
Chicago, Illinois, 60637, United States
Conditions
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