Is E623 Vegan? Calcium Diglutamate
E623 (Calcium Diglutamate) is vegan. It is derived from fermentation, with no animal involvement in standard food production.
Why is E623 vegan?
The source of Calcium Diglutamate is fermentation, which is plant-derived, mineral or synthetic — all acceptable for vegans.
Is E623 vegetarian?
E623 is vegetarian.
What should vegans do about E623?
If you're avoiding Calcium Diglutamate, look for products without E623 in the ingredients list.
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Helpful for vegan label reading
Resources for vegans checking E-numbers like E623
Vegan Ingredient Guide
Spot hidden animal-derived E-numbers including E623 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.
E623 vegan FAQs
Is E623 vegan?
E623 is always vegan: fermentation.
Is E623 always non-vegan?
No — E623 is always vegan. It is derived from fermentation in all standard food uses.
How can I tell if E623 is vegan in a specific product?
You don't need to check for E623 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.