Coeliac disease
Eight questions people ask, put to Google AI Overviews, Google AI Mode and ChatGPT in November 2026.
Got the NHS facts right
Got the NHS facts right
Got the NHS facts right
Got the NHS facts right
Got the NHS facts rightNovember 2026
AI Overviews
2 of 3
AI Mode
3 of 3
ChatGPT
3 of 3
History starts when there is a second month to compare. November 2026 is the first.
Cited NHS or accredited sources
18 of 23 answers with sources
Cited NHS or accredited sources
Cited NHS or accredited sources
Cited NHS or accredited sources
Cited NHS or accredited sourcesNovember 2026
AI Overviews
6 of 7
AI Mode
5 of 8
ChatGPT
7 of 8
History starts when there is a second month to compare. November 2026 is the first.
The questions
Question
The NHS says
AI Overviews
AI Mode
ChatGPT
My mum has coeliac disease. Should I get tested too?
Yes, test them
Google AI Overviews
Matches the NHS
The NHS says first-degree relatives should be testedEngland
The NHS says first-degree relatives should be testedEngland
Google AI Mode
Matches the NHS
The NHS says first-degree relatives should be testedEngland
The NHS says first-degree relatives should be testedEngland
ChatGPT (logged out)
Matches the NHS
The NHS says first-degree relatives should be testedEngland
The NHS says first-degree relatives should be testedEngland
How much gluten can gluten-free labelled food legally contain in the UK?
Up to 20 ppm
Google AI Overviews
Matches the NHS
The NHS says up to 20 ppm gluten
The NHS says up to 20 ppm gluten
Google AI Mode
Matches the NHS
The NHS says up to 20 ppm gluten
The NHS says up to 20 ppm gluten
ChatGPT (logged out)
Matches the NHS
The NHS says up to 20 ppm gluten
The NHS says up to 20 ppm gluten
Coeliac UK helpline phone number and opening times
0333 332 2033
–
Google AI Mode
Yes
The NHS says coeliac UK: 0333 332 2033
The NHS says coeliac UK: 0333 332 2033
ChatGPT (logged out)
Yes
The NHS says coeliac UK: 0333 332 2033
The NHS says coeliac UK: 0333 332 2033
At what age can I give my baby gluten if coeliac disease runs in the family?
Not before 6 months
●Different on AI Overviews
Google AI Overviews
Contradicts the NHS
The NHS says not before 6 months
The NHS says not before 6 months
Google AI Mode
Matches the NHS
The NHS says not before 6 months
The NHS says not before 6 months
ChatGPT (logged out)
Matches the NHS
The NHS says not before 6 months
The NHS says not before 6 months
Matches the NHS
Differs from the NHS
Where the answers came from
Where the answers came from
Where the answers came from
Where the answers came from
UK charities for coeliac disease
Coeliac UK