What is E406?

Agar, or agar-agar, is a jelly-like substance consisting of polysaccharides obtained from the cell walls of some species of red algae primarily from the Gracilaria genus and the Gelidiaceae family (tengusa). These algae are known as agarophytes. E406 sits in the E400–E499 series, which in the EU classification mainly covers thickeners, stabilisers and emulsifiers.

What is E406 used for?

E406 belongs to the thickeners group. Thickeners and gelling agents give food texture and body. Many come from plants, like pectin and guar gum.

Is E406 safe?

E406 is considered safe at the levels used in food and is approved for use in the EU. “Safe” means it is approved in the EU and regarded as safe at the levels used in food.

How E406 appears on labels

On food packaging you'll find E406 either as the number “E406” or by the name “Agar” in the ingredient list, often after its function. Ingredients are listed in descending order by weight, so an additive near the end is present only in small amounts.

Is E406 vegan?

Yes, E406 is suitable for vegans.