E-Numbers & Additives

What is E225? Complete guide to understanding E225 (Potassium Sulfite) in your food The Quick Answer E225 is potassium sulfite, a food preservative and antioxidant. It's used in food to…

What is E162? Complete guide to understanding E162 (Beetroot Red) in your food The Quick Answer E162 is a natural red food dye extracted from beetroot. It's used in food…

What is E224? Complete guide to understanding E224 (Potassium Metabisulfite) in your food The Quick Answer E224 is potassium metabisulfite—a potassium salt of sulfurous acid that functions as a preservative,…

What is E223? Complete guide to understanding E223 (Sodium Metabisulfite) in your food The Quick Answer E223 is sodium metabisulfite—a sodium salt of sulfurous acid that functions as a preservative,…

What is E236? Complete guide to understanding E236 (Formic Acid) — a naturally-occurring preservative that was delisted from food use in 1995 ⚠️ STATUS: E236 IS DELISTED FROM FOOD USE…

What is E536? Complete guide to understanding E536 (Potassium Ferrocyanide) — a safe anti-caking agent that contains cyanide but poses zero health risk ⚠️ CONTAINS CYANIDE BUT IS COMPLETELY SAFE:…

What is E222? Complete guide to understanding E222 (Sodium Bisulfite) in your food The Quick Answer E222 is sodium bisulfite—a sodium salt of sulfurous acid that functions as a preservative,…

What is E537? Complete guide to understanding E537 (Ferrohexacyanomanganate) — one of the rarest approved food additives ⚡ EXTREME RARITY: E537 (Ferrohexacyanomanganate) is one of the least-used approved food additives…