Which is the best medication for hasimotos, bioidenticals or some other!? is there any new one on the market?

Selenium and natural: Hashimoto's thyroiditis can often be treated with selenium supplementation to bring down the antibody levels as well as a low inflammatory diet. The natural thyroid supplements tend to be more physiologic but on occasion the antibodies may attack the natural replacement therapy as well. Generally it is best to start with the natural thyroid replacements and monitor antibody levels.