Welcome to HealthcareMagic forum.
If blood potassium values are normal, then it is unlikely that you could have potassium deficiency
. Potassium correction may not be needed.
As per your history, you were doing well while on thyroid supplement initially. This suggest that your current symptoms are probably related to thyroid dysfunction
. You can get your serum TSH level
to verify about the status. We can then plan your treatment accordingly.
Thyroid supplements are available as various brands which are well tolerated by many users. Your doctor would be able to prescribe a good drug following the report.
Hope this answers your query.
Wish you good heath.