Is E404 Vegan? Calcium Alginate
E404 (Calcium Alginate) is vegan. It is derived from seaweed, with no animal involvement in standard food production.
Why is E404 vegan?
The source of Calcium Alginate is seaweed, which is plant-derived, mineral or synthetic — all acceptable for vegans.
Is E404 vegetarian?
E404 is vegetarian.
What should vegans do about E404?
If you're avoiding Calcium Alginate, look for products without E404 in the ingredients list.
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Helpful for vegan label reading
Resources for vegans checking E-numbers like E404
Vegan Ingredient Guide
Spot hidden animal-derived E-numbers including E404 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.
E404 vegan FAQs
Is E404 vegan?
E404 is always vegan: seaweed.
Is E404 always non-vegan?
No — E404 is always vegan. It is derived from seaweed in all standard food uses.
How can I tell if E404 is vegan in a specific product?
You don't need to check for E404 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.