BIOTIN and your THYROID TEST results!!!!

Monday, December 12, 2016

Hi team!

If you are taking a hair loss supplement, multivitamin or Biotin at high doses, this is for you!

Turns out supplemental Biotin interferes with thyroid and in some cases TSH numbers, as biotin is frequently found in the bioassays of these tests.

Does this mean you should throw your Biotin, Hair Help Supplement or Multi in the trash?
Not necessarily.

Just stop taking it for several days before your thyroid/TSH tests, and you should be okay.
Biotin is a B vitamin and like all B vitamins, is water soluble so tends to wash out of the body in short time.

Here's an article, if you want more:


Frankly I was happy to read this... it explains some of the crazy numbers I've seen on this forum!

Be well
: )

Thanks to Tapbelle for bringing this info to my attention.
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Member Comments About This Blog Post
    Hi Ladies!
    Thanks for all your positive feedback~
    : )
    1442 days ago
  • 3KSMOM1
    I am (until I stopped 2 days ago) taking 10,300. mcg (including the amount in my one a day tablet) of Biotin. To make a long story short I had some hair breakage about a year ago and had my thyroid checked. I wasn't sure if it was stress, hair salon treatments age, (I'm 48) or the hard water we used to have. My thyroid labs came back normal. I consulted my doctor, (honestly she didn't know much about Biotin) and I started taking Biotin 10,000 mcg a day to help my hair breakage areas. At my physical this past Nov. my thyroid was checked again and I guess it came back low (Dr. mentioned possible Graves Disease) . In Jan. I had a full thyroid workup and TSH was 0.25, T3 was 53 and Free T4 was perfect at 1.3. She wanted me to see an Endocrinologist or retest my labs in June, she left it up to me. She said the numbers weren't incredibly low. I got thinking and worrying (I have a lot of anxiety) and researched a little and found interesting info. and articles on Biotin and tainted lab results. I have been taking so much 10,300 mcg (including my one a day) for almost a year. This is the only thing that I have done different since my normal lab results back a year ago. I honestly can't remember if I was taking a smaller dose of biotin back a year ago when my thyroid labs were normal, but I definitely increased after my normal lab results to the higher amount of 10,000mcg plus I was taking the extra 300mcg in my One a Day tablet. I have decided to set up an appointment with an Endocrinologist to recheck my thyroid labs less the Biotin. I'm waiting for a call back. I'll fast this time and discontinue all of my supplements a couple of days or so before the test, as I mentioned I already stopped taking the 10,000mcg Biotin a couple of days ago. It would be interesting to find that Biotin had a play in my lab tests. My regular doctor acted like I had two heads when I told her about Biotin and inaccurate lab readings. I feel she doesn't get it. I evened mentioned to her that mentions it on their cover page. I pray Biotin is the culprit here. I do feel great too with no different side affects that are listed for thyroid problems. I'm having so much anxiety about this.

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    1487 days ago
  • no profile photo CD17032072
    Thank you so much for the information! This may in fact explain my interesting lab results!
    1502 days ago
  • 8890KAREN
    Thanks for the information. I didn't know.
    1528 days ago
    As always, thanks for sharing Mzz. emoticon
    1536 days ago
    I do take biotin so thanks for the heads up about it
    1536 days ago
  • no profile photo CD3409143
    Wow I know someone using this.
    1536 days ago
    1536 days ago
    wow! never knew that!!!
    1536 days ago
  • no profile photo CD16560690
    As always, thanks for sharing this. You keep us all healthier. emoticon
    1536 days ago
    I didn't know this Very interesting!
    1536 days ago
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