Made from bull esophagus. Rich in glucosamine and chondroitin which promotes healthy joints. High in protein.  Easily digestible.
 
Guaranteed Analysis: Crude Protein (min): 79.0% Crude Fat (min): 13% Crude Fiber (max): 1.0% Moisture (max): 13.0% Ash (max): NA Carbohydrate: NA Calorie Content (Calculated): 3,820 Kcal/Kg