Free patient guide

Understanding Your Thyroid Labs

A practical guide to TSH, T4, T3 and thyroid medication — including printable tools you can use to better understand your labs and prepare for your next appointment.

Includes a printable lab & symptom tracker

Written and medically reviewed by Dr. Abigail Vermeesch, BCDHH, CNHP, CHS, BS, MS Clinical Nutrition · Genesis Functional Wellness

Free patient guide

Enter your first name and email and we’ll email you the guide right away — the thyroid lab quick-reference, medication comparison, lab-timing worksheet, symptom tracker and My Thyroid Snapshot.

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Inside the guide

Practical tools, in plain language

A thyroid lab quick-reference
Plain-language explanations of TSH, Free T4 and Free T3
A thyroid medication comparison (T4, T3 & desiccated thyroid)
Why TSH can run low on T3-containing medication
A lab-timing worksheet
A symptom tracker
The “My Thyroid Snapshot” worksheet
Questions to ask your clinician

Educational, evidence-informed, and free. Get your copy and walk into your next appointment ready to ask better questions.

Get the guide

Educational content, not individualized medical advice.