The thyroid gland plays a vital role in regulating key body functions, but when it’s dysregulated, the typical treatment involves synthetic T4 and T3. A small number of patients still use desiccated thyroid extract derived from animals, but the FDA plans to phase it out due to safety and dosing concerns. Our experts explain why patients are still using DTE and why they’re being transitioned to other options. Learn more about your ad choices. Visit megaphone.fm/adchoices