Thyroid Test - TSH, free T3, free T4, aTPO - Verisana Lab
5 Reviews

Thyroid Test

199.95£ Incl. VAT/Sales Tax & FREE Shipping - Original Price 199.95£


With the Thyroid Test, you can determine the state of your thyroid gland and thyroid hormones with these 4 markers:

1.) free T3
2.) free T4
3.) TSH
4.) aTPO

With the help of the results, you receive a first indication about the existence of thyroid disfunctions (such as hyperthyroidism and hypothyroidism) as well as automimmune diseases, such as hashimoto.

Availability: deliverable immediately
  • Details
  • Test measures
  • Symptoms
  • Sample collection guide
  • Sample report
  • Reviews
Who should take the test?

You are suffering from arrhythmia, infertility, depressive moods, fatigue or weight changes? So far, it has not been possible to determine the root causes of your health issues? Then it might make sense for your to check your thyroid and thyroid hormones.

The thyroid significantly impacts our well-being. It produces the hormones thyroxine (T4) and triiodothyronine (T3), that are responsible for our metabolism and target almost all body tissues. Thus, a disfunction (such as hyperthyroidism or hypothyroidism) can equally have a negative effect on the wellbeing of your entire body.

With our Thyroid Test, your thyroid status will be determined based on the following markers:

  • free T3
  • free T4
  • TSH
  • aTPO
How does it work?

You collect a dried blood spot sample from the comfort of your home, send it to our lab for analysis and we will send you your lab results via email, including detailed information about your thyroid hormones.

What will my results tell me?

After the analysis of the 4 thyroid markers was conducted, you will receive a lab report with detailed explanations about the function of the thyroid gland, thyroid hormones as well as information about possible symptoms that can occur when there is an imbalance. You can then discuss the results with your doctor or health practitioner, who can give you further guidance and treatment recommendations.

What guidance will I get along with my results?

We always recommend the discussion of the mailed results with your doctor or practitioner. Besides, further information is available on our website, especially in the different test categories, under “health conditions” and the FAQs. Still have questions? Then you can contact us by mail at

Test measures
For the Thyroid Test we analyze:
  • free T3
  • free T4
  • TSH
  • aTPO

Free T3 is a hormone secreted by the thyroid gland that regulates several metabolic activities throughout the body. Almost all the T3 circulates tightly bound to protein. Only a small fraction is unbound and biologically active (fT3). If the thyroid gland produces excessive amounts of T3, symptoms associated with hyperthyroidism, such as anxiety, weight loss, and insomnia may occur. Decreased fT3 levels can cause slower heart rate, constipation, and potentially weight gain. Abnormally low levels could indicate long-term illness, starvation or hypothyroidism.


Free T4 is the predominant hormone produced by the thyroid gland. It appears to function as a pro-hormone for the more biologically active form T3. Only free thyroxine (fT4), that comprises a small fraction of total thyroxine, can be converted to T3. Elevations in fT4 may indicate too much iodine, hyperthyroidism or other thyroid problems, such as thyroiditis a thyroid nodule or a multinodular goiter. Low levels of fT4 may be caused by dietary issues, such as malnutrition or iodine deficiency. Strongly decreased values indicate hypothyroidism due to thyroid disease or pituitary gland disorders.


TSH is a hormone produced by the pituitary gland in the brain that controls thyroid hormone production. To maintain stable amounts of thyroid hormones, the pituitary gland produces less TSH,when fT4 and fT3 levels increase, and more TSH, when fT4 and fT3 levels decrease. TSH is considered the most important indicator for thyroid conditions.


TPO is an enzyme involved in thyroid hormone synthesis. The determination of aTPO levels is the gold standard for detecting autoimmune thyroid disorders. Elevated aTPO levels are considered evidence of inflammation of the thyroid gland and often associated with autoimmune disorders, such as Graves’ Disease or Hashimoto’s Thyroiditis.

Symptoms the Thyroid Test is suitable for:
  • weigth gain/ weight loss
  • anxiety
  • depressive moods
  • constipation
  • low energy, fatigue
  • change in heart rate
  • hair loss
  • feeling too cold or too hot
  • irregular menstrual periods
  • muscle weakness or trembling hands
Sample collection guide

Please read the following instructions in detail, before starting with the sample collection.

Please download the instructions here

Sample report
The sample report

Below you will find the sample report for the Thyroid Test.

Download sample report

  1. Robert MCD
    September 1, 2021

    Overall a good test. Little bit hard to do though when you aren’t good with blood…So I would suggest to have a friend or family member there, just in case 😉

  2. Kayla
    February 28, 2021

    Been gaining more and more weight over the last 2 years, for no reason at all. My mom suggested it could be hypofthyroidism so I ordered this test and that’s really what it was! I am taking thyroid hormones now and already lost 6 pounds in a couple of weeeks of time. So glad I did this test

  3. Francine
    August 18, 2020

    This test helped me to find out I had hashimoto. I’ve been feeling tired and depressed for years now and no one could help me. Now I did this test and took the results to a specialist (which Verisana recommended) who finally took me seriously. He ran somee more tests and finally diagnosed hashimoto. Still a little bit of a shock, but I am so relieved to finally have a word for my symptoms.

  4. Nakayama
    March 31, 2020

    I did another Verisana home lab test a couple of years ago and was very happy with the procedure and everything. When I saw the new thyroid test I was thrilled. I have hyperthyroidism and need to check my hormone values every couple of months. Now I can ddo it myself, and this test even includes more markers than the test my doctor usually runs. I like that they included the free T3 und t4 hormones. A lot of other companies don’t, so I recommend this one

  5. Yu Ting
    January 5, 2019

    Got the testkit, sent the sample back and had the results within about 2 weeks. I avoid going to my doctors office for tests. I prefer my own home and I want to do the test I want, without having to convince someone that YES, I am feeling this bad and I rreally want this markers to be tested.

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Any Questions?

Here are some of the most frequently asked questions regarding this test. Your question is missing? Please contact us at:

What exactly is the Thyroid Test, and why is it important?

The Thyroid Test is a helpful tool used to assess the health of your thyroid gland and its hormone levels. It's crucial because thyroid hormones play a vital role in regulating metabolism and overall body function.

Why should I consider taking the Thyroid Test?

If you're experiencing symptoms like arrhythmia, infertility, depressive moods, fatigue, or unexplained weight changes, it's essential to evaluate your thyroid function. Thyroid disorders are common and often overlooked but can significantly impact overall health and well-being.

How do thyroid disorders affect the body?

Thyroid disorders, such as hyperthyroidism (overactive thyroid) and hypothyroidism (underactive thyroid), can disrupt metabolism, energy levels, mood, and many other bodily functions. Left untreated, they can lead to serious health complications.

Why are thyroid problems often not discovered?

Detecting hypothyroidism is often difficult, because the symptoms are usually very non-specific. In infants and children, it manifests itself with different symptoms than in adults. In older people, on the other hand, symptoms are often incorrectly explained with age or the onset of dementia and are not followed up. All of this complicates a quick diagnosis.

What can be the cause of an underfunction?

In addition to protein, the thyroid gland primarily needs iodine to produce hormones. An adult should take in 180 to 200 µg iodine per day. Pregnant and lactating women need more iodine. In addition to iodized salt, milk and milk products, iodine-containing foods are bread, fish or seafood. In the case of a thyroid disorder, a possible iodine deficiency should always be rouled out.

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