Ingredient

Active Yeast

Source
Not animal-derived
Allergen
No
Role in food
Yeast is added to baked goods like bread and pizza dough to make them …

What is Active Yeast?

Active dry yeast is a leavening agent made from a single-celled microorganism, Saccharomyces cerevisiae. It's grown in a liquid medium, then dried and granulated. When rehydrated, it becomes active and produces carbon dioxide gas.

Is Active Yeast vegan?

Active Yeast is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Active Yeast gluten-free?

It does not contain gluten.

Is Active Yeast a major allergen?

Active dry yeast is not derived from any of the 9 major allergens.

What is Active Yeast used for?

Yeast is added to baked goods like bread and pizza dough to make them rise.

Is Active Yeast safe?

Active dry yeast is Generally Recognized As Safe (GRAS) by the FDA.

Why it's used

Yeast is added to baked goods like bread and pizza dough to make them rise. It feeds on sugars in the dough, producing carbon dioxide bubbles that create a light and airy texture. It's also used in some fermented foods and beverages.

Health notes

Active dry yeast is Generally Recognized As Safe (GRAS) by the FDA. It is a source of B vitamins and minerals. JECFA has evaluated yeast and found no safety concerns. It is not associated with any major health controversies.

Allergen info

Active dry yeast is not derived from any of the 9 major allergens. It does not contain gluten.

Foods that contain Active Yeast

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Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

Last updated: October 5, 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.