Vitamin B7 may skew your blood work, study warns
NCT ID NCT07302880
First seen Jan 05, 2026 · Last updated May 16, 2026 · Updated 22 times
Summary
This study looks at how taking biotin (vitamin B7) can interfere with common blood tests, especially those for thyroid antibodies. Researchers will give 24 healthy adults either 100 mg of biotin or a placebo and measure changes in their blood over several hours. The goal is to understand when and how much biotin affects lab results, helping doctors and patients avoid misdiagnosis.
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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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Department of Clinical Biochemistry, Bispebjerg University Hospital, Copenhagen
RECRUITINGCopenhagen, Denmark
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