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Optimal 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 Ms. Bertha Osorio-Campbell ,APRN

Ms. Bertha Osorio-Campbell ,APRN

Ms. Bertha Osorio-Campbell, MSN, APRN, FNP-BC, PMHNP-BC, is a dual board-certified nurse practitioner and the founder of Optimal Weight Loss Institute and Optimal Psychiatry. With over 15 years of clinical experience, she provides integrative, trauma-informed care for children, adolescents, and adults, combining evidence-based medicine with functional and holistic approaches. Her work focuses on addressing the root causes of mental and physical health conditions, including anxiety, depression, mood disorders, binge eating, hormonal imbalances, and metabolic dysfunction. She blends psychopharmacology, lifestyle medicine, and targeted nutraceutical support to help patients achieve sustainable healing and long-term wellness. Bertha is known for her personalized, whole-person approach—supporting mind, body, and spirit—while empowering patients to take an active role in their health. Through her practice, she is committed to expanding access to high-quality, culturally competent care and helping individuals move beyond symptom management toward true transformation.

My website

Focus areas

  • Mental Health

  • Metabolic Health

  • Women's Health

States of practice

  • Florida

  • New Mexico