I’d go to a endocrinologist who isn’t afraid to prescribe the dosage of thyroid meds some people need. If the fatigue is not related to your pills and thyroid is responsible. I’ve never felt better or had my meds work this well, until I got on 90mg of NP Thyroid & I’m only 33 years old. Thyroid does not just affect old-er people. Look up everything your endocrine system does. If it’s out of whack, adrenal fatigue, weight gain, lethargy, memory problems, etc etc. It’s the manager of the body. Hope you feel better soon!