What kind of ingredient this is
beef liver sits in the animal protein family. Named animal proteins are the foundation of the Protein Quality Index. The named-species multiplier rewards single-species clarity (chicken meal beats poultry meal, by-product clarity is graded separately).
Where beef liver sits in the Sniff System
The methodology treats beef liver as a quality input. It contributes positively to the relevant Sniff rubric components and does not trigger any controversial-ingredient penalty.
Every methodology choice is published, citeable, and subject to revision when new evidence arrives. Read the full Sniff methodology for the formulas behind every score component, or file a correction if you think this position is wrong.
Where you'll see beef liver in the catalog
Sniff has scored 164 dog foods that list beef liver as a primary protein source. Of those, 10 earned an A, 74 earned a B, 79 earned a C, 1 earned a D, and 0 earned an F.
- ORIJENORIJEN FRESHPREY Beef, Pork & Lamb Recipe Grain-Inclusive Frozen Dog Food, 16-oz pouch, case of 784
- ORIJENORIJEN Amazing Grains Regional Red High-Protein Dry Dog Food, 22.5-lb bag83
- ORIJENORIJEN FRESHPREY Beef, Pork & Lamb Recipe Grain-Free Frozen Dog Food, 16-oz pouch, case of 783
- ORIJENFreshPrey Beef, Pork & Lamb Recipe With Grains80
- Stella & Chewy'sStella & Chewy's SuperBlends Raw Blend Wholesome Grains Grass-Fed Beef, Beef Liver & Lamb Recipe with Superfoods Dry Dog Food, 21-lb bag79
- ORIJENFreshPrey Beef, Pork & Lamb Recipe79
Similar ingredients in the catalog
Sniff's semantic graph clusters these ingredients near beef liver by formulation profile. Each links to its own ingredient page.