Lab
Free T3
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Free T3
Free T3 is the active thyroid hormone that drives your metabolism and energy production. Testing this hormone helps uncover issues that may be causing fatigue, weight changes, or low energy levels, even when other thyroid markers seem normal.
What to Expect
Root labs are drawn at Quest Labs available nationwide. Fasting is required for most labs. Please check for a location near you before purchasing.
Details
Biomarker(s) tested:
Free T3 (free triiodothyronine)
Note: This lab is also part of the Root Cause Panel
Free T3 (free triiodothyronine)
Note: This lab is also part of the Root Cause Panel
Results
The turnaround time for results and Root doctor insights is typically 3–4 weeks post-draw. Once ready, the Root team will upload them to your personal Root dashboard and alert you for viewing.
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