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Ingredient dictionary

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

Leek is a kind of onion-family vegetable. It is not one of the allergens that labels must declare. It is vegan. Open Food Facts finds it in 11,729 products, most often in ready meals. Per 100 g: about 32 kcal and 1.5 g protein.

By Bravoora teamUpdated 13 October 2026Sources checked 13 October 20265 sourcesHow we check

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Does leek contain an allergen?

Leek is not one of the allergens that food labels must declare in the US, the UK, Europe or the Gulf. Open Food Facts does not link it to an allergen, and Bravoora’s label checker does not read the name as one.

Is leek vegan?

Yes. Leek is vegan and vegetarian: Open Food Facts records nothing from an animal in it.

VeganFits youNothing from an animal, by the Open Food Facts record.

VegetarianFits youNothing from an animal, by the Open Food Facts record.

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

What other names does leek have on a label?

On European labels it is “poireau” in French, “Lauch” in German and “puerro” in Spanish. The other 13 languages are listed below.

French: poireau, poireaux
German: Lauch, Lauche
Spanish: puerro, puerros
Italian: porro, porri
Dutch: prei
Portuguese: alho-porro, alho francês
Polish: por, pora
Swedish: purjolök, purjolöks
Danish: porre, porrer
Norwegian: purre, purreløk
Finnish: purjo, purjosipuli
Czech: pór, pórek
Hungarian: póréhagyma
Romanian: praz
Croatian: poriluk
Turkish: pırasa

Which foods contain leek?

Open Food Facts lists leek or a more specific kind of it in the ingredients of 11,729 products, most often ready meals, soups and processed meat. Most of them are sold in France, Germany and the Netherlands.

Ready meals3,342
Soups1,249
Processed meat619
Pasta, rice and flour553
Vegetables533
Dressings and sauces350

Products with it, by country of sale: France 5,651 · Germany 2,027 · Netherlands 884 · United Kingdom 713.

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

How many calories are in leek?

Leek has about 32 kcal per 100 g, with 1.5 g protein, 4.9 g carbohydrate and 0.3 g fat. The figures are for the entry “Leek, raw” in CIQUAL, the French food composition table published by ANSES.

32kcal per 100 g

1.5g protein

4.9g carbohydrate

0.3g fat

Also per 100 g: sugars 3.2 g, saturated fat 0.1 g, fibre 2.3 g, salt 0.04 g, energy 136 kJ.

ANSES CIQUAL table, CALNUT 2020 edition, food code 20039. A product’s own nutrition panel is the figure to log.

What kind of ingredient is leek?

Leek is a kind of onion-family vegetable.

Kinds of leekConcentrated leek juiceLeek sprouts

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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