Leek
veg · base score 0.7 · also listed as leek, allium porrum
What is it?
Leek is a vegetable ingredient. Graded good: a real, recognisable ingredient that adds nutritional value, so it lifts a product’s score.
At a glance
- Category
- veg
- Grade
- good
- Base score
- 0.7 (from −1 to 1; higher is better)
- Found in
- 13 products
- Also listed as
- leek, allium porrum
Common questions about leek
Is Leek good for dogs?
Yes, we grade it as a good ingredient: recognisable and nutritionally useful, so it lifts a product’s score. Bear in mind that no single ingredient decides quality; the whole recipe and its balance matter more.
How many UK dog foods contain leek?
13 UK products list leek as an ingredient in our database. The full list is shown below, sorted by rating.
What else is leek called on labels?
Manufacturers list it under several names: leek, allium porrum. We match all of these to the same glossary entry when we read a label.
How does Open Dog Food grade leek?
We grade it good, our highest grade, reserved for recognisable ingredients that add real nutritional value. Every ingredient is converted to its dry-matter share and scored from our glossary before a recipe gets its 1-100 rating; the full method is on our methodology page.
Is leek safe for dogs in dog food?
Leeks belong to the allium family, which is toxic to dogs and can cause damage to red blood cells. While trace amounts occasionally appear in commercial flavourings, allium ingredients are best avoided. Speak to your vet if you have concerns.










