An all natural ARTHROBONE is a great chew with a purpose. It is the beef esophagus (gullet) stuffed with a beef shin bone from free range cattle. A tasty long lasting chew. No hormones or antibiotics Item number: N00821 Guaranteed analysis: Crude Protein (minimum):50% Crude Fat (minimum) :5% Crude Fiber (maximum) : 2% Moisture (maximum) : 14% *Chondroitin (minimum) : 200mg/kg *Glucosamine (minimum) : 400mg/kg It is recommended that your dog be supervised when chewing dog treats or chews. Ensure fresh drinking water is available.