B vitamins and TSH blood test

[Peregrine]

Can somebody please tell me exactly what happens to your TSH results if you forget to stop your B complex before the test? Thank you 😊

[SeasideSusie Remembering]

Peregrine

If your B Complex contains Biotin (B7) and Biotin is used in the testing procedure (most labs do) then it can give false results. There is no knowing if they could be false highs or false lows.

[Peregrine in reply to SeasideSusie]

Thank you Susie. I wondered why I couldn’t find out what effect Biotin would have.