Dipotassium guanylate
Nucleotide flavor enhancer.
- Vegan
- maybe
- Vegetarian
- maybe
What it is
A flavor enhancer that provides a savory, umami taste, similar to MSG but much more potent.
How it is used in food
Allows food manufacturers to drastically reduce the salt content of a product while maintaining a strong, savory flavor.
Commonly found in- Processed foods
Health and safety
Generally recognized as safe (GRAS) at authorized levels.
Regularly evaluated by EFSA for safety.
Regulatory status
| Region | Status | Notes |
|---|---|---|
| Australia & New Zealand FSANZ |
Permitted | Permitted under the FSANZ Food Standards Code. |
| European Union EFSA / European Commission |
Permitted | Authorised for food use under EU regulations (Annex II). |
| United States FDA (Food and Drug Administration) |
Permitted | Authorised for food use by the FDA (often GRAS for standard additives). |
Identification on labels
- E-number
- E628
Worth knowing
Approved for use in specific food categories.
Conclusion
This nucleotide flavor enhancer presents a bounded risk and is generally recognised as safe at authorised levels. By providing a potent savoury taste, it allows food manufacturers to reduce salt content in processed foods, making it a reasonable trade-off unless you consume massive amounts of heavily processed meals.
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Open the appEntry last reviewed 2026-07-28.
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