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.
Carbon Dioxide
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 (FDA)
Affirmation by FDA this ingredient is generally recognized as safe as a direct human food ingredient. (GRAS FDA-Affirmed)
In 1979, health aspects of carbon dioxide as a food ingredient were evaluated.

European Food Safety Authority (EFSA)
Safe for intended uses. Authorized for use in the EU (additives).
Safety evaluation to be updated.
This page was last updated on 6/30/2025.