Hills Prescription Diet Canine Z/D Tins Food Sensitivities 12X370gHills Prescription Diet Canine Z D Tins Food Sensitivities 12X370g Clinically proven to help reduce skin & gastrointestinal signs caused by adverse food reactions. How it helps: Hill's Prescription Diet z d Canine is clinically proven to help reduce skin and digestive signs caused by food allergies. Key Benefits Hypoallergenic food formulated with highly hydrolysed animal protein & single purified carbohydrate source. Clinically proven to help reduce