Weruva Amazon Liver Canned Dog Foodis full of delicious goodies your furry friend will love. The main ingredient is chunks of cage-free, antibiotic-free, and hormone-free chicken breast and it is mixed with tasty chicken liver and sweet potatoes in a pumpkin gravy. This food is also grain, gluten, and carrageenan free, making it great for dogs with sensitive stomachs or food allergies.