High riskHeavily penalizedDogs and cats
Meat and bone meal
Also labeled as
MBM
Why it matters
Rendered product from unspecified mammal tissue and bone. Lowest-transparency protein source on the market with batch-to-batch variability.
How PawScore treats it
Foods containing Meat and bone meal are heavily penalized when we grade the label. We don't publish the exact numeric weights so scores stay honest as the rubric evolves.