Foods Containing E340 (Potassium Phosphates)
E340 (Potassium Phosphates) is a acidity regulator (mineral) used in soft drinks, jams. Here are the foods where you'll find it on the label.
Common foods that contain E340
- soft drinks
- jams
- canned goods
- baked products
- cheese
- wine
In the UK and EU, E340 must be declared either as "E340" or as "Potassium Phosphates" in the ingredients list.
Is E340 safe?
E340 is authorised in the EU and UK but carries genuine concerns. For most people consuming Potassium Phosphates 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.
Affiliate links — we may earn a commission at no extra cost to you.
Reduce or replace E340
Products relevant to E340 and your dietary choices
Food Sensitivity Test
Identify additives and foods that may be affecting you.
Additive-Free Cookbook
Whole-food recipes without additives that carry caution notices.
Food Sensitivity Diary
Log symptoms and meals to track additive reactions over time.
Frequently asked questions
What foods contain E340?
E340 (Potassium Phosphates) is commonly found in soft drinks, jams, canned goods, baked products, cheese. It must be declared on UK/EU labels as either "E340" or "Potassium Phosphates".
Is E340 safe?
E340 is authorised in the EU and UK but carries genuine concerns. For most people consuming Potassium Phosphates 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.
Is E340 vegan?
E340 is always vegan: mineral.
Data: Open Food Facts (ODbL) · EFSA