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Ingredient dictionary

Lactobacillus on a food label: allergens, diets and other names

Lactobacillus is one of the lactic ferments. Whether it carries an allergen depends on how it was made. Whether it is vegan depends on how it was made. Open Food Facts finds it in 6,083 products, most often in milk and yoghurt.

By Bravoora teamUpdated 13 October 2026Sources checked 13 October 20264 sourcesHow we check

Heads up

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Does lactobacillus contain an allergen?

It depends on how it was made. Open Food Facts does not link lactobacillus to an allergen, and Bravoora’s label checker does not read the name as one. The label must name any allergen it carries.

Is lactobacillus vegan?

It depends on the make. Some kinds of lactobacillus are made with an animal product and a label rarely says which, so a vegan profile gets Heads up. It is vegetarian.

VeganHeads upSome kinds are made with an animal product, and a label rarely says which.

VegetarianFits youNot meat or fish.

A pack can differ from the usual recipe: the app reads the label in your hand.

What other names does lactobacillus have on a label?

On European labels it is “Mælkesyrebakterie” in Danish, “tejsavbacilus” in Hungarian and “Lactobacil” in Romanian.

Danish: Mælkesyrebakterie
Hungarian: tejsavbacilus
Romanian: Lactobacil

Which foods contain lactobacillus?

Open Food Facts lists lactobacillus or a more specific kind of it in the ingredients of 6,083 products, most often milk and yoghurt, sweets and sweetened drinks. Most of them are sold in the United States, Italy and France.

Milk and yoghurt3,778
Sweets294
Sweetened drinks281
Unsweetened drinks160
Drinks with sweeteners59
Dairy desserts50

Products with it, by country of sale: United States 3,394 · Italy 523 · France 448 · United Kingdom 282.

Counted on 13 October 2026 from the Open Food Facts product database, which volunteers fill from real packs: it shows where lactobacillus turns up, not how much of the market it is.

What kind of ingredient is lactobacillus?

Lactobacillus is one of the lactic ferments.

Kinds of lactobacillusLactobacillus bulgaricus Lactobacillus acidophilusLactobacillus caseiLactobacillus rhamnosusLactobacillus lactisLactobacillus reuteriLactobacillus Helveticus

Bravoora reads this ingredient for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dietitians, doctors and trainers

Sources

An allergen is stated only when two of three checks agree: the Open Food Facts record, Bravoora’s label checker, and the ingredient’s own name or family (oat flour is oats, a cheese is milk). Every name where they disagree waits for a person to review it.

Contains information from Open Food Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check

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