Royal Canin Veterinary Diet Canine Hydrolyzed Protein Adult HP Dry Dog Food is a highly palatable, highly digestible, complete and balanced hydrolyzed protein diet. The diet is specifically formulated for use as short-term elimination feeding and as long-term nutrition for dogs with food sensitivities. It contains all of the proteins, amino acids, and vitamins needed to boost the immune system and give your pup the energy he needs without upsetting his sensitive tummy. This special prescription dry dog food formula also provides a healthy skin barrier that protects against environmental allergens and bacteria.Royal Canin