Guide
Allergens in oat flour
Oats are a cereal containing gluten in UK allergen labelling, unless you are using gluten-free oats and the product meets the rules for a gluten-free claim. Ordinary oat flour in a flapjack must emphasise oats.
Reviewed against official guidance.SourcesNot legal advice.
The usual pattern
Oat flour is milled oats. It is popular in gluten-free recipes only when the oats themselves are the gluten-free sort and cross-contact is controlled. Standard porridge oats are not that ingredient.
What to check in oat flour
| What you see | What it means on a PPDS label |
|---|---|
| Standard oats | Cereals containing gluten — name oats |
| Gluten-free oats | A controlled ingredient — follow that spec and the gluten-free rules |
| Oat milk | Oats, not milk |
| Wheat flour blended in | Wheat as well |
How to write it on the label
PPDS food needs the name of the food and a full ingredients list, with the 14 allergens emphasised every time they appear. The Food Standards Agency’s PPDS guidance is the practical reference. A typical ingredients fragment looks like this — yours must follow the specification of the product you actually use.
Example fragment
Oats.
Where it shows up
Flapjacks, cookies, crumble toppings, porridge pots and some breads.
A gluten-free claim on standard oats
You cannot print gluten-free because the recipe has no wheat, if the oats are ordinary oats. Wheat-free and gluten-free are not the same claim.
Barley malt syrup on an oat bar adds barley, another gluten cereal.
Specification first
Brands differ. Treat this page as the usual pattern, then match the label to the tub, bag or recipe in front of you.
Questions
Are oats gluten?
Is oat milk milk?
Official sources
Everything on this page traces back to these. Where they and we disagree, they are right — tell us and we'll fix it.
- Introduction to allergen labelling for PPDS foodFood Standards Agency / GOV.UK
- Labelling guidance for prepacked for direct sale (PPDS) food productsFood Standards Agency / GOV.UK
- Food allergen labelling and information requirements technical guidanceFood Standards Agency / GOV.UK