Relieve your small dog’s skin and digestive sensitivities with Hill’s Prescription Diet z/d Small Bites Hydrolyzed Chicken Flavor Dog Food. This clinical nutrition is a “tasty and healthy reward” specifically sized for smaller mouths. Designed to help your pet “be healthy,” it features highly hydrolyzed protein to avoid immune detection and ActivBiome+ technology to support healthy digestion and firm loose stools in as little as 3 days.