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FREE T3

Free T3 (Free Triiodothyronine) is the active thyroid hormone unbound to proteins, regulating metabolism, body temperature, heart function, and energy. A Free T3 blood test measures this active, circulating hormone, typically to diagnose hyperthyroidism or evaluate, monitor thyroid function, or manage medications.
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  • Sample type: Stool water
  • Preparation: You must activate, collect, and ship back on the same day (must be a weekday). More details
  • Test type: Home Collection Kit

Price : $19.00

About the Test

Free T3 (Free Triiodothyronine) is the active thyroid hormone unbound to proteins, regulating metabolism, body temperature, heart function, and energy. A Free T3 blood test measures this active, circulating hormone, typically to diagnose hyperthyroidism or evaluate, monitor thyroid function, or manage medications.



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