I've got my results back my FT4 level is 25.7% through the range and my FT3 level is 8.1% through the range. My tsh was 1.35 and optimal is 0.35 to 5.55
I think I may have a conversion issue
I am struggling with every hypothyroidism symptom at the moment and have been for some time
Written by
pinkkfrog
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Just one point, so that you know. The range for TSH may be 0.35 to 5.55, but that doesn't mean that any result is optimal. In fact, I would say there is no optimal level for TSH because it doesn't affect how you feel, and just follows the levels of the Frees.
However, a euthyroid TSH - i.e. with not sort of thyroid problem - is around 1. Over 2 means your thyroid is struggling. And, when it reaches 3, you are technically hypo. So, you see, this so-called 'normal' range is far from normal, and totally unrealistic.
What's more, hypos usually need their TSH lower than a euthyroid person because they need their Frees higher. It's the Frees - FT4 and FT3 - that affect how you feel. And that is a very individual thing. So, once a TSH goes below 1, it really is of little use, and should never be used to dose by. Just a word to the wise.
Unless you are eating copious amounts of food with b12 😉, the high levels could be a reason to do further investigations. It could be high for a myriad of reasons, nothing productive by listing them all out. But it is good to check a few things out such as liver or kidney issues. Simply to cross them off as a reason for your symptoms.
All the best to you. Hope you get it all figured out soon.
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