It might be better if you post more of your history. Have you used T3 before?
Important to check you are taking right level of T4 and nutrients are optimal before considering T3. In UK doctors standard treatment is to used T4 but if clinically necessary T3 can be prescribed by specialist / private doctor.
Please start a new post adding your recent results - including thyroid function [TSH, FT4 & FT3] thyroid antibodies & key nutrients [Folate, ferritin, B12 & vitamin D]
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