Build my profileBuild my profile

Acid or acidity regulator

E528 (magnesium hydroxide): what it is, its sources, vegan or not

E528 is magnesium hydroxide, an acidity regulator. E528 comes from minerals. Vegan and vegetarian profiles get Fits you.

By Bravoora teamUpdated Sources checked 4 sourcesHow we check

Fits you

for a vegan profile

E528=minerals

What is E528?

E528 (magnesium hydroxide) is an acidity regulator, an additive that adds acidity or a sour taste to a food, or controls how acid it is.

What is E528 made from?

E528 comes from minerals.

  • Minerals

Is E528 vegan?

Fits you. E528 comes from minerals. Nothing from an animal.

What the app says to each profile, and the reason it shows.

VeganFits youE528 comes from minerals. Nothing from an animal.
VegetarianFits youE528 comes from minerals. Nothing from an animal.

What other names does E528 have on a label?

On a label, E528 can also appear as “INS 528”, “Acidity regulator (528)”, “Acidity regulator (E528)” or “Magnesium hydroxide”.

Any of these on a pack means E528. The checker reads them all.

E528E 528E-528INS 528Acidity regulator (528)Acidity regulator (E528)Magnesium hydroxide

What would change the answer for E528?

For E528, only the ingredient list itself: a code the camera cannot read gets Needs one more scan, and the app never guesses a code it cannot see.

Sources: EU, US and Codex additive rules

Where additives are listed and approved. Bravoora reads the source and the diet; it does not rate the hazard.

  1. EU Regulation 1333/2008 on food additives (the E-number list)
  2. EU Regulation 1169/2011, Annex II: the allergen sources a label must name
  3. US FDA: Food Additive Status List
  4. FAO/WHO Codex: General Standard for Food Additives (GSFA) online

Names and classes cross-checked with Open Food Facts (Open Database License).

Create a website profile with the things you avoid and the people you check for.

Build my profile

Save and edit your profile on this website. App transfer is not available yet.