Ingredient

And Carbon Dioxide

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Source
Not animal-derived
Allergen
No
Role in food
Carbon dioxide is primarily used as a leavening agent in baked goods, helping them …

What it is

Carbon dioxide is a gas naturally found in the Earth's atmosphere. It can be produced industrially through processes like fermentation or by burning carbon-based fuels. In food production, it is often captured and purified for use.

Why it's used

Carbon dioxide is primarily used as a leavening agent in baked goods, helping them rise. It also provides the "fizz" or carbonation in beverages like soda and beer. In some products, it can act as a preservative by creating an environment that inhibits microbial growth.

Health notes

Carbon dioxide is generally recognized as safe (GRAS) by the FDA for use in food. It is a natural byproduct of metabolism in the body. International bodies like JECFA have evaluated carbon dioxide and found it to be safe for consumption. At typical intake levels found in foods and beverages, it does not pose health concerns.

Allergen info

Carbon dioxide is not derived from any of the 9 FDA major allergens. It does not contain gluten.

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Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.