This test measures the three core thyroid hormones, TSH, free T3 and free T4, plus cortisol and magnesium at no extra cost. It suits people wanting a straightforward first check of thyroid function alongside two markers that can influence it.
5 biomarkers as listed by Blue Horizon Medicals.
TSH, free T3 and free T4 are the three hormones most commonly used to check whether the thyroid gland is under- or over-active. This panel adds serum cortisol and magnesium, since the provider notes that high cortisol can affect thyroid function and magnesium plays a role in converting T4 to T3, giving a slightly wider view than a bare three-marker thyroid check.
There is no named comparison group for this exact five-marker combination, so it cannot be measured against specific rival products here. Against the broader set of similarly sized thyroid tests we track, its £72.25 price is only 3% above the median of £70.10, putting it close to the middle of the pack on cost for what it includes.
It scores well across the board: comfortably above average for clinical depth given its five markers, close to full marks for how clearly the listing is documented, and full marks for collection convenience because it can be done at home with a finger prick and results come back in around a day. Trust signals and results and follow-up both score solidly, reflecting the doctor review and Blue Horizon's track record.
This suits someone wanting a first check of thyroid function without paying for antibody testing or the wider vitamin and iron panels included in Blue Horizon's Silver and Gold profiles. If antibody testing matters to you, for example because of a family history of autoimmune thyroid disease, the Thyroid Premium Silver profile adds thyroid peroxidase and thyroglobulin antibodies to the same core hormones.
Collection can be done at home with a finger-prick kit or Tasso autodraw device, or via a venous draw at a clinic or nurse home visit; the provider recommends taking the sample between 8am and 10am for a more reliable cortisol reading. The lab processes all five markers and a doctor reviews the results, with turnaround stated at around 1 day.
Blue Horizon's entry-level thyroid panel covers TSH, free T3 and free T4 alongside cortisol and magnesium, which the provider includes at no extra charge because both can affect thyroid hormone conversion. At £72.25, it is priced close to the median of £70.10 for similarly sized thyroid tests we track, only 3% above. Results are back in around a day, with the option to upgrade to a Silver or Gold profile for more markers.
The listing publishes a detailed description, the full biomarker list, a stated turnaround, clear collection options, the sample type; it does not state what the report looks like.
5 biomarkers, placing it in the 63rd percentile of thyroid tests we track.
A finger-prick sample you take at home; with a venous or clinic option as well; a home nurse visit is offered; results in around 1 days, well ahead of the thyroid norm of 2.
Results are reviewed by a doctor; the provider does not describe the report format.
Trustpilot 4.2 from 395 reviews; accredited lab (UKAS ISO 15189 partner labs); trading 17+ years.
£72.25 against a median of £69.00 for the 31 similarly sized thyroid tests we track (+5%).
Calculated 13 September 2026 from the facts we hold about this test and provider, using our published scoring formula. Scores are not hand-edited.
Cheapest full 3-hormone thyroid panel
A three-hormone blood test measuring TSH, FT4 and FT3, the standard panel used to check for an underactive or overactive thyroid.
At-home thyroid panel covering antibodies and nutrients
A 10-marker at-home blood test covering thyroid hormones, thyroid antibodies and nutrients linked to thyroid health, for people investigating symptoms or managing a thyroid condition.
Three-hormone thyroid panel priced like a two-hormone test
Checks TSH, free thyroxine and free T3, the three core hormones used to assess thyroid function. Suited to people investigating symptoms like fatigue or weight change, or monitoring a known thyroid condition.
Full TSH, FT4 and FT3 panel at the group median price
Checks the three core thyroid markers, TSH, free T4 and free T3, used to help assess an underactive or overactive thyroid. Suited to anyone with possible thyroid symptoms who wants more than a single TSH reading.
