Introducing PURINA® PRO PLAN® OPTINUTRITION Every dog has different nutritional requirements and their needs will change at different times of their life. PURINA® PRO PLAN® with OPTINUTRITION is an advanced and efficient combination of nutrients which has been developed using cutting-edge science and it is expertly applied to dog’s nutrition. It means that whatever’s going on in your dog’s world, you’ll find a nutritional solution to match his needs, and because the range is also organised by dog size and lifestage, you can rely on PURINA® PRO PLAN® throughout your pet’s life.