Is E227 Vegan? Calcium Hydrogen Sulphite
E227 (Calcium Hydrogen Sulphite) is vegan. It is derived from synthetic, with no animal involvement in standard food production.
Why is E227 vegan?
The source of Calcium Hydrogen Sulphite is synthetic, which is plant-derived, mineral or synthetic — all acceptable for vegans.
Is E227 vegetarian?
E227 is vegetarian.
What should vegans do about E227?
If you're avoiding Calcium Hydrogen Sulphite, look for products without E227 in the ingredients list.
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Helpful for vegan label reading
Resources for vegans checking E-numbers like E227
Vegan Ingredient Guide
Spot hidden animal-derived E-numbers including E227 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.
E227 vegan FAQs
Is E227 vegan?
E227 is always vegan: synthetic.
Is E227 always non-vegan?
No — E227 is always vegan. It is derived from synthetic in all standard food uses.
How can I tell if E227 is vegan in a specific product?
You don't need to check for E227 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.