What lab tests does biotin interfere with? Most of the published research on biotin interference covers hormone tests, such as parathyroid hormone (PTH), thyroid stimulating hormone (TSH), T4 and T3 tests, as well as tests for troponin. However, because biotin is used in so many immunoassays, scientists say it could interfere with many others.
When should I stop taking biotin before a blood test? 8 hours
Does taking biotin affect blood test results? Biotin in blood or other samples taken from patients who are ingesting high levels of biotin in dietary supplements can cause clinically significant incorrect lab test results.
Related Questions
Can biotin skew lab results?
Biotin also known as vitamin B7, in high doses, can interfere with accurate results of common lab tests, warns the FDA. Biotin is added to many dietary supplements, and has been found to skew lab test results, including tests used by ER doctors to diagnose heart attacks. The problem has led to at least one death.