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E249

E249 , Potassium Nitrite

High risk Controversial preservative

TL;DR

E249 (Potassium Nitrite) is classified as high risk in the NutriDécrypte encyclopedia. It is flagged as controversial by independent reviewers. Risk levels follow the European Food Safety Authority (EFSA) and ANSES reviews, published on the official registries.

Why this classification

Used in cured meats. IARC 2015: processed meat is Group 1 carcinogen. France reducing limits 2025.

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© 2026 NutriDécrypte. Indépendant.

NutriDécrypte is an independent editorial rating service, not a medical practice. Grades are informational only. For any nutritional condition, always consult a registered dietitian or physician.

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