Does biotin affect hCG levels? Biotin Found in Multivitamins May Interfere with Important Lab Tests Including hCG and Troponin Levels.
Can biotin cause a 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 causes false positive pregnancy test? 5 mg to 600 mg per day
Can Biotin Affect Pregnancy Test
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. In urine tests, high levels of biotin may prevent the control line on your home pregnancy test from appearing, yielding invalid results.