E551: Silicon dioxide

Anti-caking agent. Origin: Mineral.

Vegan

Yes, vegan

Halal

Generally halal

The honest version

Essentially purified sand, keeps powders free-flowing.

Related additives

E100 CurcuminE101 Riboflavin (Vitamin B2)E140 ChlorophyllsE150d Sulphite ammonia caramelE153 Vegetable carbonE170 Calcium carbonateAll E-numbers

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