Ingredient

Milk L-cysteine Hydrochloride Salt

Source
Animal-derived
Allergen
No
Role in food
Manufacturers add L-cysteine hydrochloride salt to baked goods like tortillas and breads to make …

What is Milk L-cysteine Hydrochloride Salt?

L-cysteine hydrochloride salt is a form of the amino acid cysteine, which is a building block for proteins. It is often produced commercially by extracting cysteine from animal sources like feathers or hair, or through fermentation processes. This salt form is used to improve dough handling and texture in baked goods.

Is Milk L-cysteine Hydrochloride Salt vegan?

No. Milk L-cysteine Hydrochloride Salt is animal-derived, so it is not vegan.

Is Milk L-cysteine Hydrochloride Salt gluten-free?

Gluten may be present if derived from wheat.

Is Milk L-cysteine Hydrochloride Salt a major allergen?

L-cysteine hydrochloride salt is not derived from milk, egg, fish, shellfish, tree nuts, peanuts, soy, or sesame.

What is Milk L-cysteine Hydrochloride Salt used for?

Manufacturers add L-cysteine hydrochloride salt to baked goods like tortillas and breads to make the dough more pliable and easier to work with.

Is Milk L-cysteine Hydrochloride Salt safe?

In the US, L-cysteine is generally recognized as safe (GRAS) by the FDA for use as a food additive.

Why it's used

Manufacturers add L-cysteine hydrochloride salt to baked goods like tortillas and breads to make the dough more pliable and easier to work with. It can also help improve the texture and volume of the final product. It is commonly found in flour-based products.

Health notes

In the US, L-cysteine is generally recognized as safe (GRAS) by the FDA for use as a food additive. JECFA has evaluated L-cysteine and its salts, and EFSA has also assessed its safety. At typical consumption levels found in food, it is not associated with adverse health effects. There are no widespread controversies regarding its use in food.

Allergen info

L-cysteine hydrochloride salt is not derived from milk, egg, fish, shellfish, tree nuts, peanuts, soy, or sesame. If derived from wheat, it would be considered a major allergen. Gluten may be present if derived from wheat.

Foods that contain Milk L-cysteine Hydrochloride Salt

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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.