Carbon Dioxide

Food-grade carbon dioxide (CO2) is a purified form of carbon dioxide (gas) specifically produced to meet strict purity standards for use in food and beverage applications such as in carbonated beverages.

Found In
  • Carbonated beverages
Also Known As
  • E290
The Beverage Bottom Line

Carbon dioxide 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. ()

In 1979, health aspects of carbon dioxide as a food ingredient were evaluated.

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European Food Safety Authority

Safe for intended uses. Authorized for use in the EU (additives).

Safety evaluation to be updated.

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Joint FAO/WHO Expert Committee on Food Additives

Safe for intended uses.

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Safe for intended uses.

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This page was last updated on 6/30/2025