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E504Fine

Magnesium carbonates

Group: Acidity regulators

Harm level1 of 5No concern

In plain words

Magnesium carbonates are white powders that stop dry foods from clumping and adjust acidity. You find them in salt, sugar, flour, milk powder and food supplements.

Where you find it: salt, icing sugar, supplements

Our recommendation

No need to avoid it.

Possible risks and effects

  • No relevant risk known at normal intake.
  • In large doses (e.g. from supplements) magnesium can loosen stools.

For experts

Covers magnesium carbonate and magnesium hydroxide carbonate, used as anti-caking agents, acidity regulators and carriers. Inorganic salts that release magnesium in the stomach; authorised in the EU at quantum satis.

Check another E-number

More from this group

E338Phosphoric acidE339Sodium phosphatesE340Potassium phosphatesE341Calcium phosphatesE450DiphosphatesE451TriphosphatesE452PolyphosphatesE325Sodium lactate

This information is educational and based on EFSA assessments and available studies; it does not replace medical advice. With allergies, intolerances or illness, follow your doctor’s advice.