Dipotassium guanylate
Function: Food Additive
E628 is the European food-additive number for Dipotassium guanylate. Dipotassium guanylate (E628) is a food additive used as a food additive.
Is E628 safe or restricted?
E628 is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as “No regulatory flags” and does not make health claims. See the methodology for how regulatory levels are assigned, or the guide to how EU additives are approved, re-evaluated and banned.
Is E628 vegan or vegetarian?
Dipotassium guanylate (E628) can be produced from plant, mineral, or animal-derived raw materials, and the ingredient list rarely states which source was used — so its vegan status genuinely depends on the specific product.
The production source can vary between manufacturers — the Forkin app shows the verified vegan and vegetarian status per product. Always read the label for allergens.
Which foods contain E628?
E628 appears in 206 of the 4.7 million products in Forkin's catalogue — most often in potato chips, instant noodles and corn snacks.
- Potato Chips19
- Instant Noodles12
- Corn Snacks12
- Soup9
- Tortilla Chips7
- Sausages6
- Chicken (General)6
- Olives5
Often appears alongside
Additives most frequently found in the same ingredient lists as E628 across the catalogue.
Counts reflect Forkin's independently enriched product catalogue and update as new products are added — they are not a market-share statistic.
Frequently asked questions about E628
- What is E628?
- E628 is the E-number for Dipotassium guanylate. Dipotassium guanylate (E628) is a food additive used as a food additive.
- Which foods contain E628?
- E628 appears in 206 of the 4.7 million products in Forkin's catalogue — most often in potato chips, instant noodles and corn snacks. Scan any barcode with the Forkin app to see instantly whether a specific product contains it.
- Is E628 vegan or vegetarian?
- Dipotassium guanylate (E628) can be produced from plant, mineral, or animal-derived raw materials, and the ingredient list rarely states which source was used — so its vegan status genuinely depends on the specific product. The Forkin app shows the verified vegan and vegetarian status per product, since the source can vary between manufacturers.
- Is E628 safe, and is it banned anywhere?
- E628 is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as "No regulatory flags" and does not make health claims — see the methodology page for how regulatory levels are assigned, and the Forkin app for the full profile, including acceptable daily intake (ADI) and restrictions by country.
See the full profile in Forkin
The Forkin app surfaces the full regulatory profile of E628 — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it. See view pricing.