Ingredient database › Liver
Is Liver good or bad in dog food?
Liver is a protein source and rates as Great in our analysis.
Great Bottom line: Liver is a great ingredient — exactly what you want to see, ideally near the top of the list.
Named organ meat — nutrient dense.
This is exactly the kind of ingredient you want to see — ideally near the top of the list, where it makes up a larger share of the recipe.
Built on AAFCO & FDA pet-food criteria · Last updated June 2026 · How we rate
What is Liver?
Liver is a protein source used in dog food. On a label it may also appear as: chicken liver, beef liver, liver.
What to look for on the label
Ingredients are listed by weight, so the ones near the top make up most of the recipe. Liver near the top is a good sign. The fastest way to judge a whole product is to paste its full ingredient list into our free dog food checker, which grades it A–F and flags every ingredient like this one.
How Liver affects the WoofScore
Our grade rewards named whole proteins, vegetables, fruit and beneficial supplements, and penalises vague by-products, cheap fillers, artificial colours and controversial preservatives. Liver contributes as a great-tier item; read the full scoring methodology to see exactly how the grade is calculated.