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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.

Photo of Jennifer Green, M.S., R.D.N.

Jennifer Green, M.S., R.D.N.

I help women (and men) navigate weight changes and women navigate peri‑menopause with evidence‑based nutrition and real‑life understanding. I’ve walked this journey myself, and I know how important it is to feel supported, heard, and equipped with tools that actually work. I have been there! I had a food addiction in my 20s that I overcame and know the struggle with weight. I provide REAL help based on science and personal/professional experience. Check out my recommended lab stacks and supplement protocols—each one chosen to give you clarity, confidence, and results with products that are worth every penny. I started on this journey as a personal trainer in my early 20s. I realized I loved to counsel my clients on nutrition and decided to go back to school to become a registered dietitian. I have been a practicing registered dietitian for over 10 years and have a Master's of Science in Nutrition.

My website

Focus areas

  • Environmental Health

  • Gastrointestinal Health

  • Metabolic Health

  • Women's Health