Thyroid blood test and biotin: Hello, could you... - Thyroid UK

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Thyroid blood test and biotin

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Hello, could you tell me how many days before having a blood test ( TSH, T3, T4) I need to stop taking biotin? I am taking a minimal dosage of 50mcg, but I don't want it to interfere with the test. Thank you

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helvella - Biotin supplementation and testing

A short article about how and why biotin can affect blood tests. Includes information about how to avoid any problems.

Last updated 26/10/2024.

helvella.blogspot.com/p/hel...

Clara62 profile image
Clara62 in reply tohelvella

Thank you helvella.

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