Is E222 Vegan? Sodium Hydrogen Sulphite
E222 (Sodium Hydrogen Sulphite) is vegan. It is derived from synthetic, with no animal involvement in standard food production.
Why is E222 vegan?
The source of Sodium Hydrogen Sulphite is synthetic, which is plant-derived, mineral or synthetic — all acceptable for vegans.
Is E222 vegetarian?
E222 is vegetarian.
What should vegans do about E222?
If you're avoiding Sodium Hydrogen Sulphite, look for products without E222 in the ingredients list.
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Helpful for vegan label reading
Resources for vegans checking E-numbers like E222
Vegan Ingredient Guide
Spot hidden animal-derived E-numbers including E222 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.
E222 vegan FAQs
Is E222 vegan?
E222 is always vegan: synthetic.
Is E222 always non-vegan?
No — E222 is always vegan. It is derived from synthetic in all standard food uses.
How can I tell if E222 is vegan in a specific product?
You don't need to check for E222 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.