have a dog we were the first brand in grocery and mass retail stores to offer pet food with real meat poultry or fish as the 1 ingredient starting in 1987 . we have continued as a leader through our development of targeted nutrition . our team of more than 400 purina researchers around the globe is dedicated to providing best in class nutrition for your pet . dan chausow purina global nutrition see purina one in action reasons to feed purina one cat food behind cats curious behaviors 28 day challenge help care for your dog s aging mind purina one cat purina one dog shelter network ingredients site map contact us purina.com purina careers terms privacy about our ads adchoices purina trademarks are owned by soci t des produits nestl s.a. any other marks are property of their respective owners .