Is E401 Vegan? Sodium Alginate
E401 (Sodium Alginate) is vegan. It is derived from seaweed, with no animal involvement in standard food production.
Why is E401 vegan?
The source of Sodium Alginate is seaweed, which is plant-derived, mineral or synthetic — all acceptable for vegans.
Is E401 vegetarian?
E401 is vegetarian.
What should vegans do about E401?
If you're avoiding Sodium Alginate, look for products without E401 in the ingredients list.
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Helpful for vegan label reading
Resources for vegans checking E-numbers like E401
Vegan Ingredient Guide
Spot hidden animal-derived E-numbers including E401 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.
E401 vegan FAQs
Is E401 vegan?
E401 is always vegan: seaweed.
Is E401 always non-vegan?
No — E401 is always vegan. It is derived from seaweed in all standard food uses.
How can I tell if E401 is vegan in a specific product?
You don't need to check for E401 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.