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sper2071 · 12-17-2009, 07:30 AM

Hi,

I just had a standard blood test and the results for tsh was 3.47mU/L. I heard there's alot of debate amongst scientists/doctors about what is the normal range for tsh. Can anyone tell me if this is cause for concern? And could this level be due to eating a low calorie diet? If not what could be causing this? I'm 24 and feel I have a healthy diet (fruits, vegies, wholegrains, milk, tofu etc.. ie not high fat).

Any help would be appreciated.

javelina · 12-17-2009, 08:16 AM

I'm in the camp that says any TSH over 1.4 needs to be followed with further thyroid testing, including free T3, free T4 and thyroid antibodies. There are several good studies out there that show that higher TSH is cause for concern and that the current ranges are way too high.
Do you have any hypothyroid symptoms? There is a long list so look it up and see if any apply to you.
Also be aware that any unfermented soy products like Tofu and some other vegetables like raw cruciferous (cabbage, broccoli, and others) are considered goitrogenics and will suppress thyroid function. Also fluoridated and chlorinated water will disrupt thyroid as will bromine added to bakery items.

AnnD · 12-17-2009, 08:31 AM

Everyone functions differently at different levels. If you are feeling good then no need to worry...if this was just part of routine testing for a physical then just keep this number in your medical files but pretty much having thyroid problems is not common to have. This seems a very reasonable number and if you don't need to mess around with Thyroid replacement the better off you will be. This is good baseline information for you if you should ever run into thyroid problems. There are others that need to know the finite blood draw details of their thyroid but pretty much it is simply a matter of how do you feel. If you feel fine don't mess with it.

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