Immune System Blood Test
Highly rated for depth and priced well below the market
An 8-marker blood test covering white and red blood cells, vitamin D, B12, iron status and inflammation, for a broad check of immune-related health.
Blood test for Toxoplasma exposure, a parasite often linked to contact with cat litter, raw or undercooked meat, or unwashed produce. Aimed at people who may have been exposed, including those who are pregnant or immunocompromised.
1 biomarker as listed by Better2Know.
Toxoplasma is a parasite that can be picked up from undercooked meat, unwashed produce, or contact with cat faeces, and testing is generally suggested for people who may have been exposed, including those who are pregnant, trying to conceive, or have a weakened immune system. This test looks for exposure to the parasite from a blood sample taken at a Better2Know clinic.
We have no directly comparable tests in our records for this one, but at £195 it sits well above the £129 median for the immunity and infection tests we track, roughly half as much again. It only tests for one marker, which the scoring reflects with a below-average mark for clinical depth relative to other immunity tests.
It scores well for clarity, since Better2Know publishes a full description, sample type, collection details and turnaround. It scores lower for results and follow-up, because results are not reviewed by a doctor as standard; Better2Know says it will contact you within three days of reporting if your result is positive.
This is worth considering if you think you may have been exposed to Toxoplasma, for example through undercooked meat, unwashed fruit or vegetables, or contact with cat litter, or if you are pregnant, planning a pregnancy, or living with a weakened immune system. Because it costs more than the typical immunity test we track and only covers this one marker, it is best used when you have a specific reason to test for this infection rather than as a general health check. If you develop symptoms, or test positive, the guidance is to speak to a GP or the doctor Better2Know arranges for you.
A clinician takes a blood sample from your arm at a Better2Know clinic, which is sent to the lab for analysis; results are typically available the next working day. Results are uploaded to your online Patient Area, and you are notified by phone, email or text. Results are not reviewed by a doctor as standard, but if your result is positive, Better2Know says it will contact you within three days of reporting to discuss next steps with a doctor.
A clinic blood draw checks for Toxoplasma exposure, with results back the next working day. At £195 it costs more than the £129 median we see across the immunity and infection tests we track, and it has no doctor review built in. There are no comparable tests in our records to weigh it against directly.
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.
1 biomarkers, placing it in the 36th percentile of immunity tests we track.
Requires a venous draw at a clinic; results in around 1 days, well ahead of the immunity norm of 3.
Results are not doctor-reviewed and no consultation is included; the provider does not describe the report format.
Trustpilot 4.2 from 775 reviews; CQC registered; trading 18+ years.
£195.00 against a median of £129.00 for the 79 similarly sized immunity tests we track (+51%).
Calculated 13 September 2026 from the facts we hold about this test and provider, using our published scoring formula. Scores are not hand-edited.
Highly rated for depth and priced well below the market
An 8-marker blood test covering white and red blood cells, vitamin D, B12, iron status and inflammation, for a broad check of immune-related health.
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