Article
Dermatitis herpetiformis: coeliac disease on the skin
Dermatitis herpetiformis is coeliac disease presenting on the skin. How it is diagnosed, how it responds to a gluten-free diet, and what the reviews say.
Coeliac disease, from the guidelines to the supermarket
Diagnosis, guidelines and contamination research on one side; a database of "is this actually gluten free" on the other. Every claim cited.
84peer-reviewed citations
35foods assessed
42European languages
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Database
Is it gluten free?
A reasoned verdict on 35 foods — not just yes or no, but why, what to check, and the exception that catches people out.
Diagnosis
Getting diagnosed properly
Why you must not go gluten free before testing, and what the 2025 European guidelines changed.
Thresholds
How much gluten is too much?
The 10 mg/day figure, where it came from, and what the 20 ppm label rule is actually based on.
Contamination
Cross-contamination, measured
What testing finds in restaurant meals and in products labelled gluten free.
NCGS
Non-coeliac gluten sensitivity
A real presentation with a contested cause — and the FODMAP evidence that complicates it.
Complications
What untreated coeliac disease does
Bone density, anaemia, fertility and the small but real lymphoma risk.
Pipeline
Treatments beyond the diet
Transglutaminase inhibitors, enzymes and where the drug pipeline actually stands.
Practical
Living with it
Eating out, travelling, adherence measurement and the parts nobody warns you about.
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Crohn's disease and ulcerative colitis — guidelines, biologics, diet and the trigger-food question.