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.

Reshma Patel PA-C
Reshma Patel, PA-C, MMS, is a Physician Assistant with 25+ years of emergency and family medicine experience, combined with advanced training at the nation’s leading longevity and concierge practices — including LifeSpan Medicine, Sollis Health, and LifeForce. Her expertise spans precision hormone optimization, peptide therapy, genomic analysis, and data-driven health protocols, giving her a rare ability to bridge conventional medicine with cutting-edge longevity science. She now brings this elite level of care to patients throughout California via telehealth.
My websiteFocus areas
Gastrointestinal Health
Endocrine / Hormonal Health
Women's Health
States of practice
California