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Does Intake Of Biotin Everyday Affect TSH And T4 Levels?
Can taking 20,300 units of Biotin a day affect my TSH and T4 free blood test results? 2 months ago had very low range level of TSH, below 1. I decreased my daily increase of Biotin to 10,200 units and 2 months later my blood test results TSH: 1.14 T4 free: l.2 Should I stop taking the 10,000 units of Biotin a day?
Fri, 15 May 2020
Hello,
I read carefully your query and understand your concern.
Biotin use can result in falsely high levels of T4 and T3 and falsely low levels of TSH, leading to either a wrong diagnosis of hyperthyroidism or that the thyroid hormone dose is too high.
So,you should not stop taking biotin because it causes false results.
Hope my answer was helpful.
If you have further queries feel free to contact me again.
Kind regards!
Dr.Dorina Gurabardhi
General &Family Physician
I read carefully your query and understand your concern.
Biotin use can result in falsely high levels of T4 and T3 and falsely low levels of TSH, leading to either a wrong diagnosis of hyperthyroidism or that the thyroid hormone dose is too high.
So,you should not stop taking biotin because it causes false results.
Hope my answer was helpful.
If you have further queries feel free to contact me again.
Kind regards!
Dr.Dorina Gurabardhi
General &Family Physician
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