T4, Free
T4, Free measures the unbound, biologically active form of thyroxine in the blood. It is a key indicator of thyroid function and is commonly used to evaluate thyroid disorders, especially when TSH levels are abnormal.
FAQ
Answers to your questions about lab testing and services.
Dr Sarah D. DNM, DFM, DHM, PhD
Dr. Sarah- also known as “The Natsarim Naturopath”- is a board-certified doctor of natural, functional and holistic medicine with a deep-rooted passion for natural healing and whole-body wellness. She is a licensed Ecclesiastical Holistic Practitioner (LEHP) through the Guardian Ecclesiastical Holistic Association (GEHA)- the leading faith-based association for holistic practitioners- and is committed to providing natural, integrative, client-centered care that honors the body's own innate ability to heal. She focuses on uncovering and addressing the root causes of imbalance using personalized wellness plans that integrate nutrition, lifestyle, herbal medicine, functional and spiritual insights. Her approach is grounded in compassion, education, faith and empowerment— helping individuals to heal when supported with the right tools and environment. Dr. Sarah works in close partnership with clients to develop personalized wellness plans that support long-term vitality, not just symptom relief! Dr. Sarah is currently expanding her scope of expertise through specialized training in parasitology, naturopathic oncology, autoimmune conditions, and thyroid health. She enjoys spending time outdoors, hiking, swimming, and exploring nature. Her faith in YHWH (God) is at the heart of everything she does, guiding her daily life. How She Works: Dr. Sarah’s virtual consultations are client-centered, educational, and deeply supportive. She offers personalized wellness programs that may include: Functional nutrition and supplementation Herbal and botanical guidance Detox and drainage support Lifestyle and environmental coaching Mind-body and spiritual wellness tools While she does not diagnose or treat disease, Dr. Sarah serves as a knowledgeable guide and wellness consultant who helps clients take charge of their health with clarity, confidence, and compassion. Education and Credentials: Doctorate of Natural Medicine (DNM, Ph.D.) Doctorate of Functional Medicine (DFM, Ph.D.) Doctorate of Holistic Medicine (DHM, Ph.D.) Licensed Ecclesiastical Holistic Practitioner (LEHP)
Visit WebsiteFocus areas
Immune Health
Metabolic Health
Endocrine / Hormonal Health
Women's Health
Healthy Aging / Longevity