Essential Thyroid Function Panel
A thyroid function assessment that measures antibodies and reverse T3 to uncover the root causes of fatigue, weight changes, and metabolic issues.
What we test
- Selenium
- Iodine, Serum/Plasma
- Free T4
- Free T3
- Thyroid-Stimulating Hormone
- Free T4 Index (T7)
- T3, Uptake
- T4 (Thyroxine), Total
- Reverse T3
- Thyroglobulin antibodies
- Thyroid Peroxidase Antibodies (TPO)
FAQ
Answers to common questions about panels, results, and your plan.

Caitlin Russell
Caitlin Russell MS RD has been providing nutrition guidance and promoting wellness as a dietitian nutritionist since 2012. Either in-person or in virtual appointments, she helps guide her clients to better health by sharing the incredible impact of good food and healthy lifestyle choices. In-network with most major health insurance.
My websiteFocus areas
Cardiovascular Health
Gastrointestinal Health
Metabolic Health
Women's Health
States of practice
Georgia