What is E520?

๐ŸŸก CAUTION
Aluminium Sulphate
Acidity Regulators ยท Generally approved but some concerns exist
๐ŸŒฑ Vegan Yes
๐Ÿฅš Vegetarian Yes
โ˜ช๏ธ Halal Halal
๐ŸŒด Palm Oil No

E520 is Aluminium Sulphate โ€” a mineral salt, used as a acidity regulator to help control the acidity or alkalinity of food.

What is E520 (Aluminium Sulphate)?

E520 is the E-number for aluminium sulphate, one of the acidity regulators group of food additives (E500โ€“E599). Additives in this group control the acidity or alkalinity of food. A mineral salt. Like every E-number, E520 has been evaluated and authorised for use in food in the European Union โ€” 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 E520 in detail below.

Where is E520 found?

E520 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 (E520) or by its full name, aluminium sulphate. Common foods that may contain E520 include:

Full guide: foods containing E520 and how to spot it on labels โ†’

Is E520 safe?

E520 is approved for use in the EU, UK and US at regulated levels, but some concerns or conditions apply. For most people, normal dietary exposure to E520 is not considered harmful.

EFSA status: Authorised in the EU โ€” acceptable daily intake (ADI) or conditions of use apply
Source: European Food Safety Authority

Is E520 vegan?

E520 is vegan. A mineral salt, with no animal involvement in standard production.

Full vegan status guide for E520 โ†’

Is E520 halal?

E520 is halal. A mineral salt, with no haram source involved.

Full halal status guide for E520 โ†’

Frequently Asked Questions

What is E520 in food?

E520 is Aluminium Sulphate โ€” a mineral salt, used as a acidity regulator to help control the acidity or alkalinity of food.

Is E520 safe to eat?

E520 is approved at regulated levels in the EU, UK and US, but some concerns exist โ€” see the safety section above. Most people can consume it in normal amounts without harm.

Is E520 vegan?

E520 is vegan. A mineral salt, with no animal involvement in standard production.

Is E520 halal?

E520 is halal. A mineral salt, with no haram source involved.

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Additive data sourced from Open Food Facts (ODbL licence) and the European Food Safety Authority (EFSA).

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