Longevity panel

Thyroid Health

Thyroid axis markers that influence metabolism, temperature, cognition, and how you feel day to day.

Markers in this panel

  • TSH

    Pituitary signal that drives thyroid output — the usual first-line screen.

  • Free T3

    Active thyroid hormone available to cells for metabolic rate and energy.

  • Free T4

    Primary circulating thyroid hormone that converts to T3 in tissues.

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