This product is human grade/not denatured

Green Tripe's Green Tripe with Trachea & Gullet contains Green Tripe and Trachea/Gullet 

"Bovine trachea and gullet are the natural source for chondroitin sulfate. Bovine tracheal cartilage has also shown success in helping to isolate cancers, tumors and other diseases by preventing their growth and spread. The fresh raw trachea and gullet are ground in with the tripe. This is an excellent product for all dogs, especially breeds known for hip/joint problems."