Hill's Prescription Diet z/d Food Sensitives Biome Mini for Food Sensitivities in Dogs Clinically proven to help reduce skin and digestive signs caused by food allergies.Key Benefits:- Hypoallergenic food: carefully formulated with highly hydrolyzed animal protein. Clinically proven to help reduce skin and digestive signs caused by food allergies. Key Benefits: - Hypoallergenic food: carefully formulated with highly hydrolyzed animal protein and a single purified source of carbohydrates. - Nutrition that provides a visible improvement of the skin and hair in 30 days. - Clinically proven to help improve stool. - With a delicious flavour that your dog will love.