We understand that there are many more variety options in our Canine Complete line-up, usually leaving Pet Parents of a cat wondering if they can feed their cats a novelty protein from the Canine Complete line. The answer is yes. Pet Parents can feel confident when feeding their cats a Canine Complete formula as the K-9-specific probiotic blend will not harm the cat. All Complete (Canine and Feline) formulas from Healthy Paws contain 70% lean muscle meat, 10% bone, 10% organ and 10% fruit, vegetable and supplement.