Measures serum selenium, a mineral linked to thyroid function, immune health and antioxidant protection. Suited to those with a specific interest in this one marker.
1 biomarker as listed by Medichecks.
Selenium is an essential mineral that supports thyroid function, immune health and antioxidant protection. This test measures serum selenium, and is commonly used by people with dietary deficiencies, thyroid concerns or an interest in oxidative stress to check whether their level falls within the typical range.
There's no named group of directly comparable selenium tests on the site, but among the 16 similarly sized tests we track in this part of the catalogue, £101 is more than double the £47.13 median. Collection requires a venous draw at a clinic or a home nurse visit, and turnaround runs to around 7 days, longer than most single-marker Medichecks tests.
Value for money is the clear weak point here, since the price sits well above the typical cost of similarly sized tests. Clinical depth is also modest, reflecting that this is a single marker in a category where deeper panels are more common. Collection convenience is limited by the clinic-based draw and longer turnaround. As with all Medichecks tests, your result comes with a doctor's comment.
This suits you if you specifically want to check your serum selenium level in isolation, for example because of a known dietary pattern, a thyroid concern raised by a clinician, or a specific interest in this one mineral, and a single-marker test meets that need.
If you're investigating thyroid health more broadly, a wider thyroid panel would likely give you more useful context for a comparable or lower price than this single-marker test, though the sheet does not identify a specific alternative to name here.
Collection for this blood test is via a venous draw at a Medichecks clinic, or through a home nurse visit if you'd prefer; there's no finger-prick kit for this one. The sample is processed at one of Medichecks' partner labs, with a doctor reviewing your result. Turnaround is around 7 days.
A single serum selenium reading costs £101 here, more than double the £47.13 median for similarly sized thyroid-related tests we track. Turnaround runs to around 7 days for the one marker.
The listing publishes a short description, the full biomarker list, a stated turnaround, clear collection options, the sample type; it does not state what the report looks like.
1 biomarkers, placing it in the 10th percentile of thyroid tests we track.
A blood sample taken at home by a visiting nurse or phlebotomist; with a venous or clinic option as well; a home nurse visit is offered; results in around 7 days, slower than similar tests.
Results are reviewed by a doctor; the provider does not describe the report format.
Trustpilot 4.5 from 2,477 reviews; accredited lab (UKAS ISO 15189 partner labs); doctor review as standard; trading 25+ years.
£101.00 against a median of £47.13 for the 16 similarly sized thyroid tests we track (+114%).
Calculated 13 September 2026 from the facts we hold about this test and provider, using our published scoring formula. Scores are not hand-edited.
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