100% Canadian Pork Liver freeze dried to retain as many nutrients as possible. Puppy Love Products contain NO additives, NO preservatives and are 100% natural. Pork liver is an excellent source of vitamins and minerals, such as iron. It’s low in fat and a good source of protein. Freeze Dried Pork Liver is a great treat option for both dogs and cats, with bite size pieces perfect for pets of all sizes. This single ingredient treat is available in three bag sizes: 57 g, 120 g, and 250 g.