Free T3 — lab reference
Some search terms matchedUseful in selected hyperthyroid states; not a sensitive stand-alone test for hypothyroidism.
THE PURSER WELLNESS ENCYCLOPEDIA
Let’s explore “Folate, serum — lab reference”
Explore this topic as a step-by-step interactive map.MTHFR, the citric acid cycle & ATP
A RELATED COURSEMethylation & B vitamins
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796 resources for your curiosity109 matching listings grouped; alternative sources stay available.
What’s searchable?Total T4 — lab reference
Some search terms matchedAffected by thyroid-binding globulin, pregnancy, estrogen, and medications.
Total T3 — lab reference
Some search terms matchedAffected by binding proteins and nonthyroidal illness.
Reverse T3 — lab reference
Some search terms matchedNo broadly accepted treatment target. Dr. Purser to define whether and how this is used.
Thyroperoxidase antibody (TPO Ab) — lab reference
Some search terms matchedThe test method matters. Positive result supports thyroid autoimmunity but does not determine treatment alone.
Thyroglobulin antibody (Tg Ab) — lab reference
Some search terms matchedThe test method matters. Also affects thyroglobulin tumor-marker interpretation.
TSI / TRAb — lab reference
Some search terms matchedAsk your clinician to use the exact assay cutoff. Helpful in selected Graves disease questions.
Thyroglobulin — lab reference
Some search terms matchedThis is not a general thyroid wellness target. It may be used for follow-up after certain thyroid conditions, alongside thyroid anatomy and antibody results.
Total iron-binding capacity (TIBC) — lab reference
Some search terms matchedAsk your clinician to read this result with iron, transferrin saturation, and ferritin.
Transferrin — lab reference
Some search terms matchedNegative acute-phase reactant; affected by liver function and nutrition.
Transferrin saturation — lab reference
Some search terms matchedCalculated from iron and TIBC. Fasting and timing improve consistency.
Ferritin — lab reference
Some search terms matchedAcute-phase reactant. Menstruation, menopause, inflammation, liver disease, and iron therapy matter.
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