Canadian Brand. Noah's Ark dehydrated beef tracheas are made from 100% pure beef and gently dried to preserve natural nutrients, including collagen, glucosamine, and chondroitin. These compounds support healthy joints, mobility, and overall wellness, making trachea an ideal addition to a balanced diet. They are chewy and satisfying, beef trachea also encourages mental stimulation and natural chewing behaviour. Single-ingredient and free of additives, preservatives, or fillers, this is a natural, wholesome supplement your pet will love.