Complete pet food for adult cats. . PURINA ONE wet meals are complete and balanced recipes combining tender pieces cut into mini filets and vegetables in a delicious gravy and targeting high quality nutrition with delicious taste. Purina vets & nutritionists have developed our recipes to help support a healthy microbiome a balance of microorganisms is important to have for a positive effect on your cat's digestive health and overall well-being. From a healthy digestion and natural defenses to a shiny coat, you can see visible results on your cat's health today and tomorrow.