Better2Know Gut health

Tissue Transglutaminase IgA Home Test Kit

Checks for tissue transglutaminase (TTA) IgA antibodies, one of the markers used to help assess coeliac disease. Suits people with bloating, diarrhoea, wind or unexplained weight loss, or a family history of the condition.

  • At-home test
  • Subscription available
Sample
Blood
Collection
At-home finger-prick, post to lab; also clinic £195
Results in
2 days
Biomarkers
4
Tests for
  • Bloating
  • Diarrhoea
  • Flatulence or excess wind
  • Unexplained weight loss

Test specifications

Provider
Better2Know
Sample type
blood
Collection method
at-home finger-prick, post to lab; also clinic £195
Turnaround time
2 days
Biomarkers tested
4
At-home test
Yes
Doctor reviewed
No
Gender focus
Both

What's tested

4 biomarkers as listed by Better2Know.

  • Bloating
  • Diarrhoea
  • Flatulence or excess wind
  • Unexplained weight loss

About this test

Tissue transglutaminase (TTA) antibodies are produced when the immune system reacts to gluten in people with a genetic predisposition to coeliac disease. This kit checks for TTA IgA in a small blood sample you collect yourself with a finger-prick, and is aimed at people with symptoms such as bloating, diarrhoea, wind or unexplained weight loss, or with a close relative who has coeliac disease.

There is no directly comparable test in our records to benchmark it against, but at £69 it is priced well below the £149 median for the gut health tests we track. It can also be done as a clinic visit for £195 if you prefer a clinician to take the sample.

It scores strongly for clinical depth, value for money and collection convenience, reflecting the low cost, the choice of home or clinic collection, and the 2-day turnaround. It scores lower for results and follow-up, because results are not reviewed by a doctor as standard; Better2Know arranges a consultation only if your result comes back positive.

Who is it for?

This suits you if you have symptoms that could point to coeliac disease, such as bloating, diarrhoea, wind or unexplained weight loss, or if a close blood relative has been diagnosed with it. Because it only checks TTA IgA, it is best used as a first step rather than a full coeliac work-up; the provider notes it can be paired with a gliadin antibody test for a fuller picture. If you would rather have a clinician take the sample instead of doing it yourself at home, Better2Know offers the same test at a clinic for £195.

How it works

You collect a small finger-prick blood sample at home and post it to the lab, or have it taken at a Better2Know clinic for £195. Once the sample arrives, it is tested for TTA IgA antibodies, with results typically ready within 2 working days. Results are uploaded to your online account and Better2Know's Patient Services team lets you know when they are ready; the provider does not review results with a doctor as standard, but arranges a consultation if the test comes back positive so you can discuss next steps, including seeing your GP.

Pros & cons

Pros

  • Priced at £69, well below the £149 median for gut health tests we track.
  • Can be done entirely at home with a finger-prick sample.
  • Results typically ready within 2 working days.
  • Clinic-based collection also available for £195 if preferred.

Cons

  • No doctor reviews your result unless it comes back positive.
  • Only checks TTA IgA; the provider suggests pairing it with a gliadin antibody test for a fuller picture.
  • No peer tests in our records to benchmark the price against directly.

Our editorial score

Compare Health Test Score Low-cost home test for coeliac-linked antibody
Editorial confidence: 9.0/10

This at-home finger-prick kit checks for TTA IgA antibodies linked to coeliac disease, with results in 2 working days. At £69 it is priced well below the £149 median we see across gut health tests, and it also runs a clinic version for £195 if you would rather have a clinician take the sample. The main gap is that results are not reviewed by a doctor as standard.

Score breakdown

  • Clarity and documentation 9.0/10

    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.

  • Clinical depth 9.3/10

    4 biomarkers, placing it in the 80th percentile of gut health tests we track.

  • Collection convenience 9.0/10

    A finger-prick sample you take at home; with a venous or clinic option as well; results in around 2 days, well ahead of the gut health norm of 5.

  • Results and follow-up 3.0/10

    Results are not doctor-reviewed and no consultation is included; the provider does not describe the report format.

  • Trust signals 6.5/10

    Trustpilot 4.2 from 775 reviews; CQC registered; trading 18+ years.

  • Value for money 9.2/10

    £69.00 against a median of £149.00 for the 8 similarly sized gut health tests we track (-54%).

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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