Is Disodium Guanylate (E627) vegan?
Depends· E627
Like E631, originally from fish; modern E627 is usually microbial. Source rarely listed.
What it is
A flavor enhancer used with MSG; from yeast extract or fish.
Why depends
Same source-ambiguity as E631.
Where you'll find it
- Snack seasonings
- Instant ramen
- Bouillon
Vegan alternatives
- Certified vegan brands
FAQ
- Is E627 always paired with E631?
- Often — together they amplify MSG synergistically.
Sources
Last reviewed June 4, 2026