E577 · Potassium gluconate
- WHO
- Safe
- FDA
- Safe
- EFSA
- Safe
- FSANZ
- Safe
- Japan
- Safe
- UK FSA
- Safe
- Health Canada
- Safe
What is E577?
Potassium gluconate (E577) is the potassium salt of gluconic acid, used in food as a stabilizer and sequestrant, and in dietary supplements as a source of potassium. It is generally recognized as safe at typical use levels.
Also appears on labels as: Potassium gluconate, Potassium D-gluconate, Gluconic acid potassium salt, Potassium salt of gluconic acid, K-gluconate, Potassium gluconate food grade, Food additive E577, C6H11KO7, Potassium gluconate powder, Potassium gluconate supplement, INS 577, E577.
What the evidence says
- Generally recognized as safe at typical food-use levels for the general population.
- People with kidney disease or those on potassium-restricted diets should be mindful of the added potassium, especially from supplement-level use.
Research behind the verdict
- Potassium Gluconate: Nutritional Benefits and Safety Profile — International Food Safety Research Institute, Journal of Food Safety and Nutrition (2024). A comprehensive evaluation of potassium gluconate (E577) examining its dual role as a food additive and nutritional supplement. The research confirmed that potassium gluconate, used as a sequestrant and stabilizer, provides additional nutritional benefits due to its potassium content. The study noted its excellent bioavailability and safety profile, with no adverse effects reported at approved usage levels. The assessment supports its continued use in various food applications while contributing to dietary potassium intake.[safe]
Frequently asked questions
Is E577 safe?
Our overall verdict for E577 (Potassium gluconate) is “Safe”, based on the most cautious of the major regulators’ positions — FDA: safe; WHO: safe; EFSA: safe; FSANZ: safe; Japan: safe; UK FSA: safe; Health Canada: safe.
Is E577 vegan, halal or gluten-free?
According to our ingredient data for Potassium gluconate — vegan: yes, vegetarian: yes, halal: yes, kosher: yes, gluten-free: yes, dairy-free: yes. Manufacturing sources can vary between products; check the label if it matters to you.
What is E577 and why is it used?
Potassium gluconate (E577) is the potassium salt of gluconic acid, used in food as a stabilizer and sequestrant, and in dietary supplements as a source of potassium. It is generally recognized as safe at typical use levels.
Does E577 contain allergens?
No known allergens are recorded for Potassium gluconate.
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This page summarises publicly available regulatory assessments and research. It is general information, not medical advice. Sources: EFSA, FDA, WHO and the studies linked above.