Protein source
Ingredient guideUnclear animal protein source
Animal protein
CHICKEN BY-PRODUCT MEAL (SOURCE OF GLUCOSAMINE & CHONDROITIN SULFATE) (#2), MEAT AND BONE MEAL (SOURCE OF CALCIUM) (#5)
Plant protein
CORN GLUTEN MEAL (#3), SOYBEAN MEAL (#6), DRIED PEAS (#15)
Animal-based does not always mean clearly sourced.
Unspecified animal protein is read conservatively.