At Zuke's we understand that a high protein diet supports strength, vitality, and performance. That's why we created Z-filets. At over 80% pure beef, chicken, or venison, they're lean, wholesome and delicious – big time support for strong muscles and sturdy bones. But be warned, with all the extra energy protein provides, your dog may knock you over with impromptu licks of gratitude. Feed Z-Filet's and Fuel the Love.