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E626Flavor enhancerLow concern
Guanylic Acid
In plain words
The short version
The free-acid form of the umami nucleotide — the parent of disodium and dipotassium guanylates.
Why it's green
It's widely considered safe at the amounts used in food, so we mark it green. The Safety section below has the details.
Safety profile
ADI not specified (combined nucleotides). Endogenous purine nucleotide. May modestly raise uric acid in susceptible individuals (gout); the dietary contribution is small compared with high-purine foods.
The detail
Educational information only. Not medical or dietary advice.