projapoti is a professional, but I am not sure I agree with all the information offered. Most of the thyroid patients I have spoken to end up losing weight later, rather than earlier in treatment, or they never lose weight at all.
The reason for this is that in the early stages of treatment, your body likely still doesn't have enough thyroid hormone to rais metabolism sufficiently to lose weith. Add to this the fact that many people experience increased appetite, and you see why weight loss might not happen at first.
The ones who never lose weight are mostly of two varieties. 1) Their doctors are conservative and end up under-treating the patient so that the dose is never high enough for true healing, though the labs are "normal". and 2) Patients who have developed bad llifestyle habits when they were hypo and continue these bad habits when their levels are optimized.
I was guilty of number 2 for a while. I still don't exercise like I should, but my diet and other lifedtyle choices are much more beneficial to my health, now.
I am not a doctor, nor have I ever played one on TV...