Foods Containing E402 (Potassium Alginate)

🟢 🟢 Safe
E402 — Potassium Alginate

E402 (Potassium Alginate) is a thickener (seaweed) used in soups and gravies, yoghurts. Here are the foods where you'll find it on the label.

✅ E402 is generally safe — want to cook without packaged food? Additive-free cookbooks →

Common foods that contain E402

In the UK and EU, E402 must be declared either as "E402" or as "Potassium Alginate" in the ingredients list.

Is E402 safe?

EFSA has reviewed E402 and considers it safe for human consumption at the levels used in food. No credible evidence links Potassium Alginate to harm at normal dietary intakes.

🌱VeganYes
🥚VegetarianYes
☪️HalalHalal
🌴Palm OilUnlikely

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Reduce or replace E402

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Frequently asked questions

What foods contain E402?

E402 (Potassium Alginate) is commonly found in soups and gravies, yoghurts, jams, ready meals, salad dressings. It must be declared on UK/EU labels as either "E402" or "Potassium Alginate".

Is E402 safe?

EFSA has reviewed E402 and considers it safe for human consumption at the levels used in food. No credible evidence links Potassium Alginate to harm at normal dietary intakes.

Is E402 vegan?

E402 is always vegan: seaweed.

Data: Open Food Facts (ODbL) · EFSA

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