Potassium Carbonate

Potassium carbonate can help regulate acidity and improve texture in food. It can also serve as a nutrient.

Found In
  • Baked goods
  • Beverages
  • Cocoa powder
  • Ramen noodles
Also Known As
  • E501
The Beverage Bottom Line

Potassium carbonate is authorized for use in the U.S., Europe and Canada.

This ingredient may have authorizations in countries not included on this site.


International Assessments and Authorizations


U.S. Food And Drug Administration

Affirmation by FDA this ingredient is generally recognized as safe as a direct human food ingredient. ()

has determined that potassium bicarbonate can be used in food with no limitation other than current good manufacturing practices.

In 2019, dietary reference intakes for potassium were reviewed by the National Academies of Sciences, Engineering and Medicine.

In 1975, the health aspects of carbonates and bicarbonates as food ingredients were evaluated.

FDA describes (a, b) nutrition facts labeling requirements.

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European Food Safety Authority

Authorized for use in the EU (nutrients, additives).

In 2016, EFSA established dietary reference values for potassium.

In 2010 and 2011 (a, b), EFSA reviewed health claims for potassium.

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Joint FAO/WHO Expert Committee on Food Additives

Safe for intended uses.

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Safe for intended uses.

In 2019, dietary reference intakes for potassium were reviewed by the National Academies of Sciences, Engineering and Medicine.

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This page was last updated on 6/30/2025