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Thyroid Function

Complete thyroid assessment including TSH, T3, T4, and antibodies

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Tip: Click on any biomarker tag to learn what it measures and why it's important for your health.

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Thyroid Advanced Metabolism & Weight Gain

Complete thyroid assessment with autoimmune markers

£XX Back to top ↑
🧪 5 biomarkers
📁 1 category
💉 Blood sample
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Thyroid Health 5 markers
TSH Free Thyroxine Free T3 Anti-Thyroglobulin Antibody Anti-Thyroid Peroxidase Antibody
💡 Why Choose This Panel?

The complete picture including autoimmune markers. Hashimoto's and Graves' disease are common causes of thyroid dysfunction. Antibodies can be elevated years before other tests become abnormal — early detection allows proactive management.

£XX Blood draw at our clinic included
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Individual Biomarker Tests

Additional thyroid markers available as standalone tests

T3 Triiodothyronine
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Total T3 in blood (bound and free). Less useful than Free T3 but can help assess overall thyroid hormone production.
T4 Thyroxine
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Total T4 in blood (bound and free). The main hormone produced by the thyroid gland, converted to active T3 in tissues.
Reverse T3
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Measures inactive T3. Elevated levels may indicate thyroid hormone conversion issues, often seen during chronic stress, illness, or calorie restriction.

Frequently Asked Questions

The thyroid is a butterfly-shaped gland in your neck that controls metabolism — how your body uses energy. It affects weight, energy levels, heart rate, body temperature, mood, and virtually every organ system.
Basic tests show current thyroid function (TSH, T3, T4). Advanced adds antibody tests that detect autoimmune thyroid disease — often before other tests become abnormal. Choose Advanced if you have family history or want complete screening.
No fasting required for thyroid tests. However, if you take thyroid medication, take your blood test before your morning dose for most accurate results. We'll advise on timing when you book.
Thyroid panel results are typically available within 3-5 working days. You'll be notified when your results are ready to view in your secure online portal.
Yes, these panels are suitable for monitoring thyroid medication. Test before your morning dose for accurate results. Regular monitoring helps ensure your dose is optimal.
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Serving South Essex & East London

Providing comprehensive private blood testing services to communities across the region. Our clinic in Rayleigh is conveniently located for patients in Basildon, Brentwood, Benfleet, Canvey Island, Hadleigh, Southend-on-Sea, Rochford, Wickford, Grays, and Tilbury.

Ready to book? 07440 097510 Book Online