All lab markers

Thyroid

Reverse T3

A blocking form of T3 that rises under stress, illness or low calories. Higher results are the ones to watch.

What commonly moves it

  • HPA-axis strainChronic stress load flattens cortisol rhythm and depletes DHEA-S.
  • Systemic inflammationRaises hepcidin (blocking iron), ESR/fibrinogen, and blunts T3 conversion.

What it can affect downstream

Free T3

These are commonly described physiological relationships, shared for education. They are not a diagnosis and cannot account for your medications, history, or symptoms — discuss your results with a licensed clinician.

Watching Reverse T3 over time?

Dose Compass charts each draw, flags meaningful moves, and helps you prepare questions for your clinician.

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