I have been taking thyrogold a bovine NDT and my last blood results were,
TSH 0.59 ref 0.27-4.2
free T4 9.9pmol ref 12-22
free t3 3.8pmol ref 3.1-6.8
My GP has queried secondary hypothyroidism as my t4 is low and my tsh has not risen to compensate but I have also heard that NDT lowers your T4.
I would be so pleased if it turned out I had secondary hypothyroid and am already fantasying about all the hopeless doctors I will sue after a 30 year history of being ill.
Would ndt lower the t4 out of the reference range.