What is E528?

Magnesium hydroxide is an inorganic compound with the chemical formula Mg(OH)2. It occurs in nature as the mineral brucite. E528 sits in the E500–E599 series, which in the EU classification mainly covers acidity regulators and anti-caking agents.

What is E528 used for?

E528 belongs to the acids & acidity regulators group. Acids and acidity regulators adjust taste and shelf life, such as citric acid (E330).

Is E528 safe?

E528 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 E528 appears on labels

On food packaging you'll find E528 either as the number “E528” or by the name “Magnesium hydroxide” 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 E528 vegan?

Yes, E528 is suitable for vegans.