What is E517?

๐ŸŸข SAFE
Ammonium Sulphate
Acidity Regulators ยท Widely accepted as safe at normal food levels
๐ŸŒฑ Vegan Yes
๐Ÿฅš Vegetarian Yes
โ˜ช๏ธ Halal Halal
๐ŸŒด Palm Oil No

E517 is Ammonium Sulphate โ€” a mineral salt, used as a acidity regulator to help control the acidity or alkalinity of food.

What is E517 (Ammonium Sulphate)?

E517 is the E-number for ammonium 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, E517 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 E517 in detail below.

Where is E517 found?

E517 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 (E517) or by its full name, ammonium sulphate. Common foods that may contain E517 include:

Full guide: foods containing E517 and how to spot it on labels โ†’

Is E517 safe?

E517 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 E517.

EFSA status: Authorised in the EU โ€” no safety concern at current levels of use
Source: European Food Safety Authority

Is E517 vegan?

E517 is vegan. A mineral salt, with no animal involvement in standard production.

Full vegan status guide for E517 โ†’

Is E517 halal?

E517 is halal. A mineral salt, with no haram source involved.

Full halal status guide for E517 โ†’

Frequently Asked Questions

What is E517 in food?

E517 is Ammonium Sulphate โ€” a mineral salt, used as a acidity regulator to help control the acidity or alkalinity of food.

Is E517 safe to eat?

Yes. E517 is authorised in the EU, UK and US, and EFSA evaluations found no health concern at normal food levels.

Is E517 vegan?

E517 is vegan. A mineral salt, with no animal involvement in standard production.

Is E517 halal?

E517 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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