Eat or Avoid
E172

Iron Oxide

Also known as: Ferric Oxide

Colorants

Safety rating

Generally Safe

Eat Away!Generally SafeUse SparinglyAvoid
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Purpose and Function

Iron oxides and hydroxides are naturally occurring pigments providing red, brown, yellow, and black hues, valued for their stability and non-reactivity in food, confectionery, baked goods, meats, and supplement/pill coatings.

Commonly found in

  • Candies, chocolates, and coatings
  • Cake and pastry decorations
  • Sausages and pâté
  • Pill and capsule coatings

Key functions

  • Provides stable red, brown, yellow, or black coloring

Potential Risks and Side Effects

  1. 01Generally non-toxic; excessive overall iron intake (from any source, including supplements) can cause iron overload — liver damage, gastrointestinal issues
  2. 02No known allergic reactions reported

References

    Related Additives