Is E529 Vegan? Calcium Oxide
E529 (Calcium Oxide) is vegan. It is derived from mineral, with no animal involvement in standard food production.
Why is E529 vegan?
The source of Calcium Oxide is mineral, which is plant-derived, mineral or synthetic — all acceptable for vegans.
Is E529 vegetarian?
E529 is vegetarian.
What should vegans do about E529?
If you're avoiding Calcium Oxide, look for products without E529 in the ingredients list.
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Helpful for vegan label reading
Resources for vegans checking E-numbers like E529
Vegan Ingredient Guide
Spot hidden animal-derived E-numbers including E529 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.
E529 vegan FAQs
Is E529 vegan?
E529 is always vegan: mineral.
Is E529 always non-vegan?
No — E529 is always vegan. It is derived from mineral in all standard food uses.
How can I tell if E529 is vegan in a specific product?
You don't need to check for E529 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.