Ingredient

Deactivated Yeast

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Source
Not animal-derived
Allergen
No
Role in food
Deactivated yeast is used as a flavor enhancer, often to provide a cheesy or …

What it is

Deactivated yeast is yeast that has been killed, usually by heat. It is a byproduct of brewing or baking and is often used as a food ingredient. It has a savory, cheesy, or nutty flavor.

Why it's used

Deactivated yeast is used as a flavor enhancer, often to provide a cheesy or umami taste in vegan and vegetarian products. It can also add a savory depth to baked goods, sauces, and snacks.

Health notes

In the US, deactivated yeast is Generally Recognized As Safe (GRAS) by the FDA. It is a source of B vitamins and protein. International bodies like JECFA have evaluated yeast and yeast extracts. Evidence does not suggest adverse effects from typical consumption.

Allergen info

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

Products containing Deactivated Yeast

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SHAW'S French Braided Brich Breads & Buns High in saturated fat — 20% DV per serving 340kcal 14Protein 12Fat 50Carbs Empire Paint Manufacturing Company Baketree, Guava Fruit Bites Croissants, Sweet Rolls, Muffins & Other Pastries 429kcal 4.8Protein 23.8Fat 52.4Carbs Plain Soft French Baguette ECI Storage and Logistics, Inc. Plain Soft French Baguette Breads & Buns 329kcal 8.2Protein 7.1Fat 54.1Carbs Empire Paint Manufacturing Company Fruit Bites, Apple Croissants, Sweet Rolls, Muffins & Other Pastries 381kcal 4.8Protein 23.8Fat 33.3Carbs ECI Storage and Logistics, Inc. Mini French Brioche Swirls Breads & Buns 300kcal 6Protein 10Fat 44Carbs Perkins & Marie Callender's Inc. Pie, Caramel Apple Walnut Cakes, Cupcakes, Snack Cakes High in saturated fat — 45% DV per serving 277kcal 2.8Protein 17.7Fat 36.9Carbs ECI Storage and Logistics, Inc. Euro French Brioche Hamburger Buns Breads & Buns 320kcal 12Protein 8Fat 52Carbs Papa John's Salads & Produce Homestyle Turkey With American Cheese Slider Sandwich Prepared Subs & Sandwiches High in sodium — 20% DV per serving 211kcal 15.8Protein 6.6Fat 22.4Carbs Whole Foods Market, Inc. Croissants French Recipe, Chocolate Croissants, Sweet Rolls, Muffins & Other Pastries High in saturated fat — 35% DV per serving 422kcal 6.7Protein 22.2Fat 46.7Carbs Wal-Mart Stores, Inc. Cheese Thin Crust Pizza, Cheese Pizza High in sodium — 27% DV per serving High in saturated fat — 25% DV per serving 203kcal 11.7Protein 7.8Fat 21.9Carbs Taylor Fresh Foods, Inc. Honey Bee Turkey & Ham Honey Smoked Turkey Breast, Smoked Honey Maple Ham, Tomato, Swiss Cheese, Greenleaf Lettuce On A Roll With A Honey Mustard Mayo Packet Sandwich, Honey Bee Turkey & Ham Prepared Subs & Sandwiches High in sodium — 60% DV per serving High in saturated fat — 35% DV per serving High in cholesterol — 23% DV per serving 208kcal 11.4Protein 9.4Fat 20Carbs La Brioche Hamburger Buns, La Brioche Bakerly LLC La Brioche Hamburger Buns, La Brioche Breads & Buns 340kcal 10Protein 9Fat 52Carbs
Salt (125 products) Water (121 products) Sugar (114 products) Yeast (113 products) Wheat Flour (101 products) Natural Flavors (80 products) Canola Oil (64 products) Riboflavin (63 products) Niacin (62 products) Thiamine Mononitrate (59 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.