We’re updating Bravoora, so forms and sign-in are paused for now. Nothing you saved is lost. Please try again later.

Flavour enhancer

E629 (calcium guanylate): what it is, its sources, vegan or not

Q: What is E629 made from?

E629 can come from yeast, fermentation or fish. The source is not stated on the pack: a label does not have to say which of these was used.

Q: What other names does E629 have on a label?

On a label, E629 can also appear as “INS 629”, “Flavour enhancer (629)”, “Flavour enhancer (E629)” or “Calcium guanylate”. Any of these on a pack means E629. The checker reads them all.

E629 can come from yeast, fermentation or fish, and the pack rarely says which. Vegetarian and vegan profiles get Heads up: source not stated.

Decode another E-number Which E-numbers come from animals?Add vegan to my profile

By Bravoora teamUpdated 13 October 2026Sources checked 20 September 20264 sourcesHow we check

Heads up

for a vegan profile

E629=source not stated

What is E629?

E629 (calcium guanylate) is a flavour enhancer, an additive that brings out the taste or smell a food already has.

What is E629 made from?

The source is not stated on the pack: a label does not have to say which of these was used.

Yeast
Fermentation
FishDeclared allergen

Is E629 vegan?

Heads up. Source not stated. E629 can come from yeast, fermentation or fish. The pack does not have to say which, so the app says Heads up instead of guessing.

Bravoora is a calorie tracker and ingredient checker app. Scan a pack, a supplement or a skincare label and it answers for each person on your plan.

What the app says to each profile, and the reason it shows.

VeganHeads upSource not stated. E629 can come from yeast, fermentation or fish. The pack does not have to say which, so the app says Heads up instead of guessing.

VegetarianHeads upSource not stated. E629 can come from yeast, fermentation or fish. One of those comes from a slaughtered animal, and the pack does not have to say which.

Fish allergyHeads upIt can come from fish. In the EU, UK, US and Gulf a label must name fish when that is the source, so read the Contains line.

What other names does E629 have on a label?

Any of these on a pack means E629. The checker reads them all.

E629E 629E-629INS 629Flavour enhancer (629)Flavour enhancer (E629)Calcium guanylate

What would change the answer for E629?

A pack that says “from fermentation” gives Fits you; one that says “from fish” gives Not for you. A list that is cut off or unreadable gets Needs one more scan.