Ingredient

Lactococcus Lactis

Source
Animal-derived
Allergen
No
Role in food
Manufacturers use Lactococcus lactis as a starter culture to ferment dairy products, contributing to …

What is Lactococcus Lactis?

Lactococcus lactis is a type of bacteria that plays a key role in the fermentation of dairy products. It is commonly used to produce cheese, yogurt, and buttermilk. The bacteria convert lactose (milk sugar) into lactic acid, which gives these foods their characteristic tangy flavor and helps preserve them.

Is Lactococcus Lactis vegan?

No. Lactococcus Lactis is animal-derived, so it is not vegan.

Is Lactococcus Lactis a major allergen?

Lactococcus lactis is a dairy-derived ingredient, as it is a bacterium that thrives in milk.

What is Lactococcus Lactis used for?

Manufacturers use Lactococcus lactis as a starter culture to ferment dairy products, contributing to their flavor, texture, and preservation.

Is Lactococcus Lactis safe?

Lactococcus lactis is Generally Recognized As Safe (GRAS) by the FDA for use in food.

Why it's used

Manufacturers use Lactococcus lactis as a starter culture to ferment dairy products, contributing to their flavor, texture, and preservation. It is most frequently found in yogurts, cheeses, and other cultured dairy items. It can also be used in baked goods like croissants and muffins to add a subtle tangy note and improve texture.

Health notes

Lactococcus lactis is Generally Recognized As Safe (GRAS) by the FDA for use in food. It is a common probiotic, and some research suggests it may support gut health, though more studies are needed. International bodies like JECFA have evaluated its use and found it safe. There are no widespread controversies regarding its safety at typical consumption levels.

Allergen info

Lactococcus lactis is a dairy-derived ingredient, as it is a bacterium that thrives in milk. Therefore, it is not a major allergen itself, but products containing it may be unsuitable for individuals with milk allergies.

Foods that contain Lactococcus Lactis

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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: 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.