E170: Calcium carbonate

Colouring, anti-caking agent. Origin: Mineral.

Vegan

Yes, vegan

Halal

Generally halal

The honest version

Chalk. Mined or precipitated from limestone.

Related additives

E100 CurcuminE101 Riboflavin (Vitamin B2)E140 ChlorophyllsE150d Sulphite ammonia caramelE153 Vegetable carbonE200 Sorbic acidAll E-numbers

Classifications reflect common manufacturing practice and mainstream certifier positions; individual products and certifiers can differ. Not medical, nutritional or religious advice.