Guanilic Acid
Learn what Guanilic Acid (E626) is, why it's added to food, whether it's safe, and which products contain it.
Low concernWhat is Guanilic Acid?
A food additive used as a flavor enhancer. It is a natural acid, a component of ribonucleic acid. For industrial use, it is obtained from yeast or sardines, meaning it can have either plant or animal origin. Guanilic acid and guanylates do not provide the 'umami' taste specific to glutamates, but they can enhance many natural flavors and tastes, thus reducing the amount of salt required. It is used in the amounts specified by recipes in all types of food products, including alcoholic and non-alcoholic beverages.
Why is Guanilic Acid added to food?
Guanilic Acid (E626) is a flavor enhancer commonly found in: Alcoholic and non-alcoholic beverages.
Permitted quantity: No daily dose limit.
Is Guanilic Acid safe?
Low concern
No side effects have been reported.
Is Guanilic Acid banned anywhere?
✓ Not currently banned in the EU or known to be restricted in other countries.
Is Guanilic Acid okay for kids?
Not allowed in foods intended for infants and young children.
Common foods that contain Guanilic Acid
- Alcoholic and non-alcoholic beverages
How to spot Guanilic Acid on labels
Look for any of these names in the ingredients list:
- E626
- Guanilic Acid
Common misspellings to watch for:
- guanllic acid
- quanilic acid
- gudnilic acid
- guanilic acid
- guanilie acid
- guanilic dcid
- guanilic aeid
- guanilic acld
- guanillc acid
Better alternatives
• Excessive consumption of guanilic acid can lead to gastrointestinal side effects, including bloating, abdominal cramps, and diarrhea. • It may cause allergic reactions, such as skin rashes, itching, and difficulty breathing, in people sensitive to food additives. • Frequent use of guanilic acid can contribute to electrolyte imbalances, especially with sodium and potassium levels in the body. • People with kidney or heart conditions should exercise caution, as guanilic acid can affect the electrolyte balance. • Long-term excessive consumption may interfere with the absorption of other nutrients and affect overall health.
Also known as
- guanllic acid
- quanilic acid
- gudnilic acid
- guanilic acid
- guanilie acid
- guanilic dcid
- guanilic aeid
- guanilic acld
- guanillc acid
Scan products with BioBrief
Not sure if a product contains Guanilic Acid? BioBrief scans the barcode and instantly shows you every additive in the ingredients list — including E626 — with a plain-language explanation.
Frequently asked questions about Guanilic Acid
- Is Guanilic Acid safe to eat?
- No side effects have been reported.
- Is Guanilic Acid banned anywhere?
- Guanilic Acid is not currently banned in the EU or known to be restricted in other countries.
- Is Guanilic Acid safe for children?
- Not allowed in foods intended for infants and young children.
- How do I spot Guanilic Acid on a food label?
- Look for E626, Guanilic Acid in the ingredients list. It may also appear as: guanllic acid, quanilic acid, gudnilic acid.
Ingredients change. Always check the actual product label before purchasing. Information on this page is for educational purposes only.