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  4. National Prescribing Guidelines

National Prescribing Guidelines

Your GP is ultimately responsible for the clinical decision making about the amounts of gluten free staples that are prescribed. However, the decisions about the area prescribing policy come from the local Clinical Commissioning Group (CCG).

The National Prescribing Guidelines were endorsed by the Primary Care Society for Gastroenterology (PCSG) and the British Dietetic Association (BDA). You can download a copy from the right hand side of this page.

You can then relate your personal unit allocation to the list of the units allocated to the different types of gluten free staples. This gives flexibility about how you use your units so you can choose what's right for you, whether that's a flour mix or pasta. 

Coeliac UK cannot make a special case to support the prescribing of biscuits and cake mixes, as they are not staple foods and their use is not consistent with healthy eating recommendations.

Recommended amounts per month:

Age and sexNumber of units
Child 1-3 years 10
Child 4-6 years 11
Child 7-10 years 13
Child 11-14 years 15
Child 15-18 years 18
Male 19-59 years 18
Male 60-74 years 16
Male 75+ years 14
Female 19-74 years 14
Female 75+ years 12
Breastfeeding Add 4
3rd trimester pregnancy Add 1


Number of units for different foods:

Food itemNumber of units
400g bread/rolls/baguettes 1
500g bread/flour mix 2
200g savoury biscuits/crackers* 1
250g pasta* 1
500g oats* 1.5
300g breakfast cereals* 1.5
2 x 110-180g pizza bases* 1
100-170g xanthan gum* 1

*These products are available in Northern Ireland, Scotland and Wales but are not available on prescription in England.

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