From the manufacturer:
Our single ingredient Pork Puffs are made of just -- 100% Pork Lung. Nothing more, nothing less. No other ingredients. No preservatives. No additives. Pork lung is nearly fat free, high in protein and other essential nutrients. Our dehydrated pork lung is extremely palatable for every dog. it can be use as a high value treat for training or just as a nutritious snack.
Pork Puffs (Pork Lung) are an excellent source of:
- Riboflavin - benefiting energy production
- Pantothenic Acid (Vitamin B5) - alleviating respiratory disorders
- Potassium - preventing muscle loss
- Zinc - decreasing susceptibility to acute lower respiratory tract infections