T3 what test is best?: If I was to order a blood... - Thyroid UK

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T3 what test is best?

mummyG profile image
3 Replies

If I was to order a blood test from blue horizon is it the t3

Or the free or the reverse one???

They are all different prices , from £40 to 90

So I don't want to do wrong one?

I'm trying to see if I'm not converting / re not losing weight

Thanks very much xxx

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mummyG
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Clutter profile image
Clutter

MummyG, Free T3 will tell you what your level is. If TSH is low, FT4 high and FT3 low it means you are not converting well.

Reverse T3 is a different test and when done with FT3 shows your rT3 to FT3 ratio.

mummyG, its freeT3.

Reverse T3 isn't used a lot as takes specialist doctors to be able to use the results in their treatment plan.

It's so wrong we are all reduced to having to conduct our own tests but well done as it is so worth it if you want to get better.

flower007

faith63 profile image
faith63

I would order a ft3 and reverse t3. You can have normal results and a high reverse t3, showing non conversion and/or a build up of t4, which causes a mix of hypo and hyper symptoms.

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