Does biotin affect hCG? Biotin Found in Multivitamins May Interfere with Important Lab Tests Including hCG and Troponin Levels.
Can biotin cause false positive pregnancy test? Biotin is the main vitamin in supplements that promise to improve your hair and nails. The FDA just released a warning about these supplements because they can skew the results of blood tests. Very high levels of biotin could cause a false positive on a pregnancy test or a false negative in a cancer screening.
How much biotin will cause a false positive pregnancy test? Urine concentrations of biotin of 1,000 µg and higher may cause invalid test results.
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How Does Biotin Affect Hcg Levels
We also test for hCG levels to determine whether a patient might be experiencing an ectopic pregnancy or miscarriage. Biotin supplements can cause false low levels in blood tests. That means you may be pregnant or experiencing an ectopic pregnancy or miscarriage and might not know it.