Hill's Prescription Diet Canine z / d Food Sensitivities Main benefits Clinically proven nutrition that can transform your pet's life. Prescription Diet (TM) Canine z / d (TM) has the following key benefits. Hypoallergenic food formulated with highly hydrolysed chicken as the only animal protein source. Clinically proven nutrition to help reduce skin and digestive symptoms caused by food allergies. Helps nourish the skin and coat. With irresistible taste that your dog will appreciate it Please consult your vet for any further information and advice on what is best for your dog. Ingredients High quality protein and carefully selected ingredients. Original: Corn starch, hydrolysed chicken liver, cellulose, minerals, soybean oil, animal fat, vitamins, trace elements, taurine, beta-carotene.With natural antioxidant (mixed tocopherols).