TSH, or thyroid-stimulating hormone, is like a single snapshot in a complex system. It shows how your pituitary is telling your thyroid to produce hormones. But it doesn’t tell the whole story—especially in Hashimoto’s, where the immune system is attacking your thyroid. You can have “normal” TSH, and still feel exhausted, forgetful, or low in energy. https://www.arkummedical.com/post/why-treating-tsh-does-not-work-for-hashimotos