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IMULAB

Thyroid Function Complete

Thyroid Function Complete

£108.00 GBP
£135.00 GBP £108.00 GBP
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How do you want to take your sample?

Please choose one option below

  • Collect your own finger prick sample at home  Free

    Self sampling kit containing everything you need to take your own sample at home.

  • Venous blood sample at a Superdrug Clinic  +£35.00

    Visit one of Superdrug's clinics across the UK where a healthcare professional will take your sample from a vein in your arm. We’ll email you instructions on how to book after we’ve processed your order.

  • Book at home venous blood sample with a nurse  +£59.00

    Book an appointment for a nurse to visit your home and take your blood sample from a vein your arm. 

  • Arrange own venous sample with a healthcare professional  Free

    Make an appointment with a healthcare professional of your choice to have your venous blood sample taken. You will be responsible for arranging your appointment and any additional fees.

✅ Results expected within 2 working days

Whether you're experiencing symptoms of an underactive or overactive thyroid or have been diagnosed with a thyroid disorder, our Advanced Thyroid Function Blood Test can help you make informed choices to optimise your nutrition and thyroid health.

Why Choose This Test?

Your thyroid gland plays a crucial role in regulating metabolism, energy levels, growth, and development. When thyroid function is disrupted, it can lead to symptoms such as:

  • Fatigue and low energy
  • Unexplained weight changes
  • Hair loss
  • Mood swings or depression

What Does This Test Measure?

Our Advanced Thyroid Function Test investigates potential causes of thyroid-related symptoms by measuring:

  • Thyroid hormones (TSH, Free T4, Free T3)
  • Thyroid antibodies (Anti-TPO, Anti-Tg)
  • Key vitamins and minerals that support thyroid function, such as vitamin D, iron, and B12

Who Is This Test For?

  • Individuals experiencing thyroid-related symptoms
  • Those diagnosed with thyroid disorders who want to monitor their condition
  • Anyone looking to optimise their thyroid health through nutrition and lifestyle

What You’ll Gain:

  • A detailed overview of your thyroid function and related health markers
  • Insights to help you make informed decisions about treatment or lifestyle adjustments
  • Support for early detection and management of thyroid-related complications

Convenient Testing Options:

  • At-Home Finger-Prick Sample: Simple and convenient to perform.
  • Superdrug Partner Clinics: Available across the UK for professional sample collection.
  • Home Nurse Visit: Arrange for a nurse or your healthcare professional to collect a venous sample in the comfort of your home.

Fast & Secure Results:

Your results will be securely delivered via our online patient portal, typically available within two working days from receipt at our laboratory.

Take control of your thyroid health—order your Advanced Thyroid Function Blood Test today and take the first step towards a healthier you.

View full details

What's included in the test?

Thyroid hormones

Thyroid Stimulating Hormone (TSH)

Thyroid stimulating hormone (TSH) is a hormone produced by the pituitary gland that regulates the production of thyroid hormones thyroxine (T4) and triiodothyronine (T3) by the thyroid gland. TSH levels increase when thyroid hormone levels are low, and decrease when thyroid hormone levels are high. Abnormal TSH levels can indicate problems with the thyroid gland, such as under or overproduction of thyroid hormones. It can also be a result of pituitary gland disorders.

Free T3 (Triiodothyronine)

Triiodothyronine (T3) is a thyroid hormone produced by the thyroid gland that plays a crucial role in regulating metabolism. The majority of T3 in the bloodstream is bound to protein. Free T3 is the portion of T3 that is not bound to protein and is considered the biologically active form of the hormone that can regulate metabolism. Measuring free T3 levels is important in diagnosing and managing thyroid disorders.

Free thyroxine (T4)

Thyroxine (T4) is one of the two primary hormones produced by the thyroid gland. It plays a vital role in regulating metabolic processes in the body. T4 is mostly bound to carrier proteins in the blood, and only a small amount of it exists in its free or unbound form. In contrast to free T3, free T4 is relatively inactive, but it is still essential for normal body function. When the body requires thyroid hormone, free T4 is converted to the more active form, free T3.

Inflammation

hs-CRP

C-Reactive Protein (CRP) is a biomarker that indicates inflammation in the body. The test does not provide information about the location of the inflammation. High Sensitivity CRP (CRP-hs) is a test that detects low-level inflammation, which is believed to harm blood vessels and increase the risk of heart attacks or strokes. CRP-hs levels may rise in response to severe injuries or infections that cause significant inflammation, such as swelling around a twisted ankle.

Autoimmunity

Thyroglobulin antibodies

This test aims to detect antibodies to thyroglobulin, a protein that is exclusive to the thyroid gland. Normally, thyroglobulin remains confined within the thyroid gland and does not enter the bloodstream. However, if the immune system attacks the thyroid gland, as in the case of inflammation, thyroglobulin may be released into the bloodstream and antibodies can be identified. The majority of thyroid disorders result from an autoimmune disorder where the immune system attacks the thyroid gland. In Graves' disease, this causes the gland to produce an excessive amount of thyroid hormone, while in Hashimoto's thyroiditis, the immune system gradually destroys the cells of the thyroid gland, leading to a reduced production of thyroid hormone.

Thyroid peroxidase antibodies (TPO)

The thyroid gland produces thyroid peroxidase, an enzyme that plays a vital role in converting T4 to the biologically active T3. This test is designed to detect the presence of antibodies to thyroid peroxidase, which suggests that the immune system is attacking the thyroid gland and interfering with its normal function.

Iron status

Ferritin

Ferritin is a protein that acts as a storage unit for iron in the body, particularly in the liver, spleen, and bone marrow. Measuring ferritin levels in the blood is a useful way to assess the amount of iron stored in the body, as it reflects the body's overall iron status. Low ferritin levels may indicate iron deficiency, while high ferritin levels may indicate excess iron storage, which can be a sign of certain medical conditions.

Sampling special instructions

Follow the instructions included in your kit. For accurate results, please ensure that you fast for 8-12 hours prior to sampling. This means avoiding any food or beverages (except water) during this fasting period.