Foods Containing E252 (Potassium Nitrate)
E252 (Potassium Nitrate) is a preservative (synthetic; cured meats) used in bread and baked goods, wine and cider. Here are the foods where you'll find it on the label.
Common foods that contain E252
- bread and baked goods
- wine and cider
- cured meats
- cheese
- pickles and condiments
- soft drinks
In the UK and EU, E252 must be declared either as "E252" or as "Potassium Nitrate" in the ingredients list.
Is E252 safe?
E252 is authorised in the EU and UK but carries genuine concerns. as a nitrite/nitrate used in cured meats, E252 is one reason the NHS advises limiting processed meat during pregnancy. For most people consuming Potassium Nitrate in typical quantities, health effects are unlikely — but the caution flag reflects either active scientific debate, mandatory warning labels, allergen status, or conditions attached to its authorisation.
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Reduce or replace E252
Products relevant to E252 and your dietary choices
Additive-Free Foods
Products without preservatives — great for sensitive diets.
Clean-Label Food Guide
Guides to buying and cooking without preservatives.
Food Intolerance Test
Confirm which preservatives, if any, are affecting you.
Data: Open Food Facts (ODbL) · EFSA