What is E470b?
E470b is Magnesium salts of fatty acids, an emulsifier. Halal only if the fatty acids are plant-based or from a halal animal.
Also written as: INS 470b, E-470b, E 470b. INS is the international numbering system used outside Europe, including on labels in Asia, Australia and the Middle East.
What to do
Look for a halal logo, a "vegan" label, or a stated plant source on the pack. If none of these are present, you can contact the manufacturer and ask for the source.
Frequently asked questions
Is E470b halal?
E470b (Magnesium salts of fatty acids) is doubtful (mushbooh). Halal only if the fatty acids are plant-based or from a halal animal.
What is E470b made from?
Plant oils or animal fats.
What is E470b used for?
E470b is used as an emulsifier, typically in bread, cakes, biscuits, chocolate, ice cream and margarine.
What should I do if a product contains E470b?
Look for a halal logo, a "vegan" label, or a stated plant source on the pack. If none of these are present, you can contact the manufacturer and ask for the source.
Related E-numbers
Last reviewed 2026-10-06. How we decide · Suggest a correction