Ingredient

Instant Dry Yeast

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Source

Not animal-derived

Allergen

Role in food

Manufacturers add instant dry yeast primarily as a leavening agent in baked goods. It …

What it is

Instant dry yeast is a deactivated form of the single-celled fungus Saccharomyces cerevisiae. It is produced by drying yeast cells, which makes them dormant and stable for long-term storage. This process allows the yeast to be easily rehydrated and used in baking.

Why it's used

Manufacturers add instant dry yeast primarily as a leavening agent in baked goods. It produces carbon dioxide gas when activated, causing dough to rise and giving bread its characteristic texture. It is commonly found in breads, pizza crusts, and other yeast-leavened products.

Health notes

Instant dry yeast is generally recognized as safe (GRAS) by the FDA for use in food. It is a source of B vitamins and protein. JECFA has evaluated yeast and yeast extracts, and EFSA has also evaluated yeast. These organizations have not raised significant health concerns regarding its consumption at typical dietary levels.

Allergen info

Yeast is not one of the FDA's nine major allergens. It does not contain gluten.

Products containing Instant Dry Yeast

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Pre-Peeled Fruit, Inc. Meatlover Pepperoni, Bacon, Ham, & Sausage Pizza, Meatlover Pizza High in sodium — 38% DV per serving High in saturated fat — 40% DV per serving 292kcal 15.0Protein 14.2Fat 25.7Carbs Pre-Peeled Fruit, Inc. The Original Pepperoni & Cheese Apizza With A Twist, Pepperoni Pizza High in sodium — 37% DV per serving High in saturated fat — 45% DV per serving 301kcal 15.0Protein 15.0Fat 26.6Carbs The Kroger Co. 7 Grain Gluten Free Bread, 7 Grain Breads & Buns 250kcal 5.6Protein 4.2Fat 50Carbs Champion Foods, LLC Supreme Calzone Pizza High in sodium — 23% DV per serving High in saturated fat — 30% DV per serving 239kcal 12.4Protein 11.5Fat 23.9Carbs NatGood Operation LLC Deliciously Seeded Bread Frozen Bread & Dough 286kcal 21.4Protein 14.3Fat 32.1Carbs Lisa Produce Round Messy Semita Breads & Buns 395kcal 5.3Protein 15.8Fat 52.6Carbs The Kroger Co. Van De Kamp's, White Bread Breads & Buns 278kcal 5.6Protein 4.2Fat 55.6Carbs The Kroger Co. Van De Kamp's, 7 - Grain Bread Breads & Buns 250kcal 5.6Protein 4.2Fat 50Carbs O'Tasty Foods Inc. Vegetable Chicken Bao Frozen Appetizers & Hors D'oeuvres 188kcal 4.7Protein 4.1Fat 30.6Carbs O'Tasty Foods Inc. Steamed BBQ Pork Buns Frozen Appetizers & Hors D'oeuvres High in saturated fat — 23% DV per serving 212kcal 4.7Protein 7.7Fat 29.4Carbs

O'Tasty Foods Inc. B.B.Q. Pork Bao Frozen Appetizers & Hors D'oeuvres High in saturated fat — 23% DV per serving 212kcal 4.7Protein 7.7Fat 29.4Carbs United States Bakery Franz, Gluten Free Croutons Breads & Buns 545kcal 9.1Protein 13.6Fat 90.9Carbs

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.