Biotin interference with Thyroid function test

Young&thinning

Banned
My Regimen
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47
Just a heads up for those using Biotin and suspect they have a Thyroid issue which may be causing hair loss.

Biotin lowers the TSH reading and raises the T4 reading on Thyroid function tests.

 

jazz1

Senior Member
Reaction score
282
Also biotin can cause body rash and acne spots.
 
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