Multivitamins for GLP-1 users: helpful or hype?
NCT ID NCT07234916
First seen Nov 19, 2025 · Last updated May 01, 2026 · Updated 28 times
Summary
This study looks at whether taking a daily multivitamin can prevent vitamin and mineral deficiencies in people using GLP-1 weight-loss drugs like tirzepatide. About 246 adults with obesity who have been on a stable GLP-1 dose for at least 3 months will be randomly assigned to take either a multivitamin or a placebo for 12 months. Researchers will measure key nutrients like vitamin B12, vitamin D, and iron in the blood to see if supplementation makes a difference.
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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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Contacts and locations
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Locations
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Erasmus MC
Rotterdam, Netherlands
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WeightWorks Clinics
Amersfoort, Netherlands
Conditions
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