How do I convert my T4 dose to NDT?

This is a question one sees often in the thyroid Facebook groups. There is a lot of confusion and insecurity around this. Which is not so strange, as there is very little good info on the topic. The conversion tables the NDT (thyroid) producers themselves provide are ridiculously low. They are wrong, wrong, wrong. I don’t understand how they think at all. If they do. Think. One would be seriously under dosed if adhering to those guidelines. And if one’s doctor reads them, one could get serious problems. I don’t know how many doctors read these instructions. I hope they don’t. Here is a table from Nature Troid as a (bad) example.

Continue reading