Ferrous gluconate (E579)

What is Ferrous gluconate (E579)?

Ferrous gluconate (E579) is a form of iron used mainly to keep black olives their deep colour. The amounts in food are not a concern. It's fine; only high-dose iron supplements can irritate the stomach, and people with haemochromatosis need to watch their total iron.

What is Yasno’s verdict on Ferrous gluconate?

Yasno’s verdict on Ferrous gluconate: Fine. No meaningful concern at normal amounts.

How verdicts work

Is Ferrous gluconate allowed in the EU?

EU status of Ferrous gluconate: Permitted as a food additive. Conditions and limits come from the regulation cited below. Yasno summarises them and does not replace the legal text.

Regulatory status
WhereEUUS
FoodPermitted as a food additiveNot recorded

What else is it called?

Sources

  1. EU Food Additives Register — POL-FAD-IMPORT-3249, European Commission (DG SANTE), 2011
  2. EFSA’s 2024 review of iron, European Food Safety Authority (EFSA), 2024

Always check the physical label. Yasno describes evidence and regulatory status. It never says a product is free of an allergen or safe for you, and it is not medical advice.

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