Is E517 Vegan? Ammonium Sulphate
E517 (Ammonium Sulphate) is vegan. It is derived from mineral, with no animal involvement in standard food production.
Why is E517 vegan?
The source of Ammonium Sulphate is mineral, which is plant-derived, mineral or synthetic — all acceptable for vegans.
Is E517 vegetarian?
E517 is vegetarian.
What should vegans do about E517?
If you're avoiding Ammonium Sulphate, look for products without E517 in the ingredients list.
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Helpful for vegan label reading
Resources for vegans checking E-numbers like E517
Vegan Ingredient Guide
Spot hidden animal-derived E-numbers including E517 on any food label.
Vegan Label Reading
Books and pocket cards that decode E-numbers and hidden animal additives in seconds.
Certified Vegan Foods
Products with vegan certification logos — no ingredient-by-ingredient guessing.
E517 vegan FAQs
Is E517 vegan?
E517 is always vegan: mineral.
Is E517 always non-vegan?
No — E517 is always vegan. It is derived from mineral in all standard food uses.
How can I tell if E517 is vegan in a specific product?
You don't need to check for E517 specifically — it is always vegan. Look for vegan certification logos if you want a full product-level guarantee.
Other additives to watch for vegans
Data: Open Food Facts (ODbL). Vegan status reflects the most common source — always verify with manufacturer or look for certified vegan labelling.