March 31, 2026
You’re taking thyroid medication, your blood tests look normal, but you still feel exhausted, fuzzy-headed, and your hair is thinning. If that sounds familiar, the problem isn’t always the dose or the type of medicine. One of the most overlooked reasons for thyroid medication not working is too much iodine in your system. This can cause thyroid cellular resistance so the hormones never reach their full effect inside your cells.











