Is E228 Vegan? Potassium Hydrogen Sulphite
E228 (Potassium Hydrogen Sulphite) is vegan. It is derived from synthetic, with no animal involvement in standard food production.
Why is E228 vegan?
The source of Potassium Hydrogen Sulphite is synthetic, which is plant-derived, mineral or synthetic — all acceptable for vegans.
Is E228 vegetarian?
E228 is vegetarian.
What should vegans do about E228?
If you're avoiding Potassium Hydrogen Sulphite, look for products without E228 in the ingredients list.
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Helpful for vegan label reading
Resources for vegans checking E-numbers like E228
Vegan Ingredient Guide
Spot hidden animal-derived E-numbers including E228 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.
E228 vegan FAQs
Is E228 vegan?
E228 is always vegan: synthetic.
Is E228 always non-vegan?
No — E228 is always vegan. It is derived from synthetic in all standard food uses.
How can I tell if E228 is vegan in a specific product?
You don't need to check for E228 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.