Good morning
Can anyone pls advise how long before blood tests you should stop taking biotin ? (as in Vit B Complex)
Thank you
Biotin: Good morning Can anyone pls advise how... - Thyroid UK
Biotin
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2 Replies
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SeasideSusieRemembering
Porridge37
The amount in a B Complex is usually about 400-500mcg. This is a relatively small amount and it would be fine to leave off for 3 days. It's the higher amount in a stand alone biotin supplement or hair/nail supplement, eg 5mg or 10mg, that requires it to be left off for 7 days.
in reply to SeasideSusie
Thank you. I’m using Thorne B supplement (1 tablet per day) so presumably 3 days will be fine.
Appreciate your help.
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