Ingredient

Ammonium Sulfite

Source
Not animal-derived
Allergen
No
Role in food
Ammonium sulfite is primarily used as a leavening agent in baked goods, helping them …

What is Ammonium Sulfite?

Ammonium sulfite is a chemical compound made from ammonia and sulfur dioxide. It is often used as a food additive. It is produced through chemical synthesis.

Is Ammonium Sulfite vegan?

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

Is Ammonium Sulfite gluten-free?

It does not contain gluten.

Is Ammonium Sulfite a major allergen?

Not a major allergen.

What is Ammonium Sulfite used for?

Ammonium sulfite is primarily used as a leavening agent in baked goods, helping them to rise and become fluffy.

Is Ammonium Sulfite safe?

Ammonium sulfite is permitted for use as a food additive in the United States.

Why it's used

Ammonium sulfite is primarily used as a leavening agent in baked goods, helping them to rise and become fluffy. It can also act as a dough conditioner, improving the texture and workability of dough. It is found in products like biscuits and some frozen breakfast items.

Health notes

Ammonium sulfite is permitted for use as a food additive in the United States. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated it. It is not known to cause adverse health effects at the levels typically consumed in food. There are no widespread controversies or significant health concerns associated with its use.

Allergen info

Not a major allergen. It does not contain gluten.

Foods that contain Ammonium Sulfite

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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.