As I expected when I shared my medichecks thyroid results with my GP all I got was ‘well different labs give different results’ so the upshot is I’ve got to get another test before I can get an increase in Levo. You would think they would only be too happy that I have paid for the test.
But here’s my question. What exactly is the science behind the fasting test with 24 hours with no Levo, as I’ve never done the no meds’ for a GP test?
I can see the fasting aspect, but how does the no meds affect the TSH or other results given the T4 is active in the bloodstream for 7 days?