All guides
Gut health guides
Every guide is written by a practising gastroenterology specialist, referenced to NICE, BSG and NHS guidance, and reviewed at least once a year.
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How to take iron tablets: timing, side effects and every-other-day dosing
Iron tablets work best when you take them the right way. This guide explains timing, food and drink to avoid,…
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H. pylori tests: how to prepare and what happens next
The breath and stool tests for H. pylori, the two preparation rules that stop a false all-clear, and what happens…
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FibroScan: what the liver scan measures and your results
A quick, painless scan that measures liver scarring and fat. How to prepare, what happens and how to understand your…
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Capsule endoscopy: the camera you swallow
Swallowing a camera the size of a large pill to see the small bowel. Why it’s done, how to prepare,…
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Colonoscopy: bowel prep, sedation and what to expect
Bowel prep tips that actually help, your choices for comfort on the day, and what happens during and after a…
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Transnasal endoscopy: the camera test through your nose
A thinner camera through the nose, no sedation and much less gagging. What a transnasal endoscopy involves and whether it’s…
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Fatty liver disease (MASLD): what it means and what helps
Fatty liver disease is common and often reversible. What MASLD means, how liver scarring is checked, and the changes with…
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Coeliac disease: symptoms, testing and living gluten free
How coeliac disease is diagnosed in the UK, why you need to keep eating gluten before testing, and what life…
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Iron deficiency anaemia: causes, tests and treatment
Why iron deficiency anaemia happens, why you may be offered camera tests, and how to get the most from iron…
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Free: 7-day gut symptom diary
A printable diary to track meals, symptoms and triggers for a week, so you can spot patterns and get more out of your next GP appointment.