Taking a biotin (Vitamin B7) supplement can throw off your thyroid test results, producing false highs or lows. The ramifications of this kind of test result meddling could be quite severe because people may be treated for hyperthyroidism, Grave's disease or even cancer, even though they do not actually have a thyroid problem — they're simply taking large doses of biotin, which is skewing the test results.
The reason for this discrepancy in the test results is related to the fact that most immunoassays rely on biotin–streptavidin attraction, and when a blood sample contains large doses of biotin, it hinders this process, rendering the results either artificially high or low.
The solution is simple. Since biotin is water-soluble, it flushes out of the body fairly quickly. By simply avoiding taking any biotin supplements 24-48 hours before your thyroid test you will safeguard accurate results. Biotin does not actually alter your thyroid hormones, it only affects the test results, so it's not contraindicated for thyroid health in general.
I would also like to take this opportunity to remind you that I have the DUTCH complete hormonal test on promotion this month. This is a test you can take at home and the results are sent to a lab in the USA. This is the most advance hormonal test available on the market today and I highly recommend taking it if you’re struggling with losing weight or suspect that you are premenopausal.
As usual, I hope you found this information helpful and please feel free to share it with those who might benefit from it. If you have any questions, please do not hesitate to ask me.
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