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Coeliac Transglutaminase IgA - stool test

Method - Stool

Take your sample in the comfort of your own home and send via pre-paid courier to the lab.​


Test Results

You will receive your test results and 

a 30 min. appointment to discuss 

your results and treatment recommendations. 

Sample Report

Click here for a sample test report

Items tested

  • Transglutaminase IgA – gluten sensitivity marker

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The tissue transglutaminase IgA test is the most sensitive and effective method of celiac disease testing.

It shows positive results in almost 98% of people with celiac disease who eat gluten.

How It Works

Faecal anti-tissue transglutaminase IgA antibodies indicate a reaction of the immune system to the tissue transglutaminase enzyme produced by the body when gluten is ingested, leading to an autoimmune reaction that may destroy the intestinal lining or other tissues in the body.

Stool analysis for antibodies against gluten-related antigens has been found be a more sensitive assessment to gluten/immune reactions than blood tests. 


Positive faecal anti-tissue transglutaminase IgA (produced in situ by the gut lining) result from a specific immune reaction to gluten in the digestive tract, and may not show in blood, especially in the absence of the typical coeliac disease-related damage to the intestinal tract (i.e., villous atrophy).

If you prefer a blood test, we can order this for you.


Common Conditions:

  • Bloating

  • Flatulence

  • Indigestion

  • Food sensitivities

  • Diarrhoea

  • Irritable Bowel Syndrome

  • Eczema, Psoriasis

  • Chronic Fatigue, Fibromyalgia

To book your consultation, click here.

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