3 articles tagged “cellular-hypothyroidism”.
If you have ME/CFS and every hypothyroid symptom but "normal" thyroid labs, the problem may be tissue-level, not in your blood. Here is how reverse T3, the DIO2 enzyme, and selenoprotein P autoantibodies hide cellular hypothyroidism from a standard panel.
Your full bloodwork keeps coming back normal while you feel exhausted, foggy, cold, and crashing. You are not imagining it. Standard panels measure what is in your blood, not what is happening inside your cells or buried in your tissues, and that is exactly where this kind of illness lives.
Your TSH is fine. Your T4 is fine. You are freezing cold, exhausted, foggy, and your doctor says your thyroid is "perfect." You are not imagining this. The deficiency is real, it is just happening inside your cells where the blood test cannot reach.