If you suspect that you might have a thyroid disorder then the best way to confirm that is to have a thyroid blood test. We have 3 popular tests which can help you understand whether a thyroid disorder is causing your symptoms.
Thyroid Function Blood Test. This tests for thyroid stimulating hormone (TSH), free thyroxine (FT4) and free triiodothyronine (FT3). This is a more comprehensive test which also looks at FT3 which is more biologically active than FT4. This is the right test if you want a deeper look at your thyroid hormones.
Thyroid Function with Antibodies Blood Test. This tests for thyroid stimulating hormone (TSH), free thyroxine (FT4), free triiodothyronine (FT3) as well as thyroid antibodies. If you have a family history of thyroid disease (or any autoimmune condition) then this is the right test to take. We will be able to tell you if your thyroid hormones are abnormal and whether this is caused by autoimmune disease (which is more likely if you have a family history). Even if your thyroid function is currently normal, elevated antibodies may increase your risk of developing a thyroid disorder in the future.
Advanced Thyroid Function Blood Test. This test includes full thyroid hormones and thyroid antibodies as well as nutritional markers that can support thyroid function or, if they are low, can mimic a thyroid disorder. For example, low iron (ferritin), low vitamin D and low B vitamins can all cause fatigue and low energy. This is the best test to take if you want to pursue several lines of investigation for your symptoms.
Our doctors will provide comments and advice on your results and guide you in what to do next - make sure you give them as much information as possible before you take your test. You will be able to do this in the "supporting information" in your results portal.