What is E528?
E528 is Magnesium Hydroxide — a mineral alkali, used as a acidity regulator to help control the acidity or alkalinity of food.
What is E528 (Magnesium Hydroxide)?
E528 is the E-number for magnesium hydroxide, one of the acidity regulators group of food additives (E500–E599). Additives in this group control the acidity or alkalinity of food. A mineral alkali. Like every E-number, E528 has been evaluated and authorised for use in food in the European Union — the 'E' literally stands for Europe, and a number is only granted after a safety assessment. That authorisation doesn't mean every additive suits every diet or that all concerns are settled, which is why we break down the safety, vegan, vegetarian and halal status of E528 in detail below.
Where is E528 found?
E528 is typically used in baked goods, soft drinks, sweets, dairy products and processed foods. You'll find it listed in the ingredients either by its E-number (E528) or by its full name, magnesium hydroxide. Common foods that may contain E528 include:
- Baked goods
- Soft drinks
- Sweets
- Dairy products and processed foods
Full guide: foods containing E528 and how to spot it on labels →
Is E528 safe?
E528 is considered safe. It is authorised across the EU, UK and US, and safety evaluations by the European Food Safety Authority (EFSA) have not identified health concerns at the levels used in food. For most people there is no reason to avoid E528.
EFSA status: Authorised in the EU — no safety concern at current levels of use
Source: European Food Safety Authority
Is E528 vegan?
E528 is vegan. A mineral alkali, with no animal involvement in standard production.
Full vegan status guide for E528 →Is E528 halal?
E528 is halal. A mineral alkali, with no haram source involved.
Full halal status guide for E528 →Frequently Asked Questions
What is E528 in food?
E528 is Magnesium Hydroxide — a mineral alkali, used as a acidity regulator to help control the acidity or alkalinity of food.
Is E528 safe to eat?
Yes. E528 is authorised in the EU, UK and US, and EFSA evaluations found no health concern at normal food levels.
Is E528 vegan?
E528 is vegan. A mineral alkali, with no animal involvement in standard production.
Is E528 halal?
E528 is halal. A mineral alkali, with no haram source involved.
Also check: is this ingredient safe for cats? · safe for dogs? · check the calorie content of foods containing this
This section contains affiliate links. We may earn a small commission if you purchase through our links, at no extra cost to you.
Concerned about food additives?
Food Intolerance Test
Find out exactly which ingredients affect you with a home food intolerance test.
Additive data sourced from Open Food Facts (ODbL licence) and the European Food Safety Authority (EFSA).