Ingredient

Natural Carbon Dioxide

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Source
Not animal-derived
Allergen
No
Role in food
Carbon dioxide is primarily used to add fizziness to beverages like sparkling water, soda, …

What it is

Carbon dioxide (CO2) is a colorless, odorless gas naturally present in the atmosphere. In food, it is often added as a liquid or gas, or produced by fermentation.

Why it's used

Carbon dioxide is primarily used to add fizziness to beverages like sparkling water, soda, and beer. It can also be used in some baked goods as a leavening agent, helping doughs and batters rise.

Health notes

Carbon dioxide is Generally Recognized As Safe (GRAS) by the FDA for use in food. It is not known to cause adverse health effects at the levels typically consumed in food and beverages. International bodies like JECFA have evaluated carbon dioxide, and it is considered safe for consumption.

Allergen info

Not a major allergen.

Products containing Natural Carbon Dioxide

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Cadia, Sparkling Italian Mineral Water, Lime, Lime Cadia Cadia, Sparkling Italian Mineral Water, Lime, Lime Water 0kcal 0Protein 0Fat 0Carbs Miller ConSup Sparkling Natural Mineral Water Water 0kcal 0Protein 0Fat 0Carbs Cadia Cadia, Sparkling Italian Mineral Water Water 0kcal 0Protein 0Fat 0Carbs Miller ConSup Sparkling Natural Mineral Water Water 0kcal 0Protein 0Fat 0Carbs The Fresh Market, Inc. Unflavored Sparkling Mineral Water Water 0kcal 0Protein 0Fat 0Carbs Sparkling Natural Mineral Water Miller ConSup Sparkling Natural Mineral Water Water 0kcal 0Protein 0Fat 0Carbs Italian Sparkling Mineral Water, Italian Whole Foods Market, Inc. Italian Sparkling Mineral Water, Italian Water 0kcal 0Protein 0Fat 0Carbs Sparkling Natural Mineral Water Water 0kcal 0Protein 0Fat 0Carbs Miller ConSup Sparkling Natural Mineral Water Water 0kcal 0Protein 0Fat 0Carbs Italian Sparkling Mineral Water Whole Foods Market, Inc. Italian Sparkling Mineral Water Water 0kcal 0Protein 0Fat 0Carbs
Mineral Water (6 products) Natural Mineral Water (4 products) Carbonation Added (2 products) Natural Lime Flavor (1 products) With Natural Carbonation Added (1 products)

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.