Ingredient

Yeast Sodium Bicarbonate

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Source
Not animal-derived
Allergen
No
Role in food
This ingredient is used to make baked goods rise and become light and airy. …

What it is

Yeast sodium bicarbonate is a leavening agent created by combining yeast with sodium bicarbonate (baking soda). Yeast, a single-celled microorganism, produces carbon dioxide gas when it feeds on sugars. Sodium bicarbonate, a chemical leavener, also produces carbon dioxide when heated or combined with an acid.

Why it's used

This ingredient is used to make baked goods rise and become light and airy. It's often found in products like breads, cakes, cookies, and crackers. The combination provides a more consistent and reliable leavening effect than using either ingredient alone.

Health notes

Yeast sodium bicarbonate is generally recognized as safe (GRAS) by the FDA when used as a food ingredient. Both yeast and sodium bicarbonate are common food components. International bodies like JECFA and EFSA have evaluated these components, and they are widely used globally. At typical consumption levels found in food, it is not associated with adverse health effects.

Allergen info

Yeast is not one of the nine major allergens. Sodium bicarbonate is a mineral salt. Therefore, yeast sodium bicarbonate is not considered a major allergen. It does not contain gluten.

Products containing Yeast Sodium Bicarbonate

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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.