Metabolism The main pathway of thyroid hormone metabolism is thru sequential deiodination. Roughly 80% of circulating T3 is derived from peripheral T4 by monodeiodination. The liver is the key internet site of degradation for both T4 and T3. DailyMed will deliver notification of updates and additions to Drug Label data https://tiromel54432.dailyblogzz.com/31570346/not-known-facts-about-liothyronine-sodium