
Video: How do you know if you're intolerant to gluten?
Peer reviewed by Dr Krishna Vakharia, MRCGPLast updated by Lydia SmithLast updated 18 May 2023
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Having an intolerance to gluten means that your digestive system struggles to process foods containing gluten. Our experts take a look at what this could mean for you.
Playlist: How do you know if you're intolerant to gluten?
4 videos
How do you know if you're intolerant to gluten?
Rose Constantine Smith, ANutr
How do you know if you're intolerant to gluten?
Rose Constantine Smith, ANutr

What foods should I avoid if I have a gluten intolerance?
Rose Constantine Smith, ANutr

What is the difference between a gluten intolerance and coeliac disease?
Rose Constantine Smith, ANutr

How can I eat healthily if I'm intolerant to gluten?
Rose Constantine Smith, ANutr
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Lactose intolerance is a condition in which there is not enough lactase in the body. Lactase is the chemical (enzyme) that breaks down (digests) 'milk sugar' (lactose) in the body. It is common in adults and it can vary in severity.
by Dr Jan Sambrook, MRCGP

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Video: How do you know if you're intolerant to dairy?
Having an intolerance to lactose means that your digestive system struggles to process foods containing lactose. Our experts take a look at what this could mean for you.
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About the authorView full bio

Dr Sarah Jarvis
Clinical Consultant
MA (Cantab), BM, BCh (Oxon), DRCOG, FRCGP, MBE
After training in medicine at Cambridge and Oxford, Dr Sarah Jarvis MBE became a GP.
About the reviewerView full bio

Dr Krishna Vakharia, MRCGP
Chief Medical Officer for Health, Optum UK
MBChB, MRCGP(2013), BMedSci (hons), DFSRH, DRCOG, PGDipDerm (Distn)
Dr Krishna Vakharia is an NHS GP. She is also a regular examiner for the postgraduate Diploma in Practical Dermatology at Cardiff University as well as being the Chief Medical Officer for health at Optum UK.
Article history
The information on this page is peer reviewed by qualified clinicians.
Article also available in English, German, Spanish, French, Italian, Portuguese, Hindi, Hebrew, Arabic, and Swedish.
Next review due: 18 May 2026
18 May 2023 | Latest version
25 Jun 2018 | Originally published
Authored by:
Dr Sarah Jarvis
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