06/06/2026
Here’s the full list of labs you need to request:
TSH, or Thyroid Stimulating Hormone, is just a messenger from your brain to your thyroid. It tells your thyroid to work, but it doesn’t tell you how well your thyroid is actually responding or if your body can use the hormones it’s making.
To get the real picture, you need to see your Free T4, which is the storage hormone, and your Free T3, which is the active hormone your cells actually use for energy. It’s also critical to check for thyroid antibodies to see if your immune system is attacking your thyroid, which is the root cause of Hashimoto’s.
Here is the full list. Take it to your next doctor’s appointment. Don’t take normal for an answer when you don’t feel normal.
TSH
Free T3
Free T4
Antibodies