Food additive · Acidity regulator / processing aid

Carbon dioxide

E-number
E290

The gas that makes drinks fizzy.

  • Food additive
  • Expert review pending

Concern level

No concern Level 0 of 4 How concern levels work

A whole food or a benign function, with no credible concern. It never costs points. The concern level sets how many points carbon dioxide costs on a product’s receipt.

Popular products that list carbon dioxide

43 of the 17,000 most-scanned products in the US with a GoodSwap page list carbon dioxide. The 12 most scanned:

Diets and allergens

Vegan
Yes
Vegetarian
Yes
Gluten-free
Yes

For the ingredient in general. Always check the package: a product’s own labels win.

Names GoodSwap recognizes on labels (4)
  • co2
  • e290
  • carbon dioxide
  • carbon dioxide propellant

Sources

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