PRO PLAN Medium Adult Dry Dog Food Sensitive Digestion Rich in Lamb – 14kg Manufacturer’s View At PURINA PRO PLAN we believe that, for a lasting difference in your dog’s health, leading-edge science needs to be expertly applied to the nutrition that accompanies your dog throughout his life. That’s why our team of pet nutritionists, together with experts veterinarians, has developed for PURINA PRO PLAN, OPTI-nutrition – our most advanced and efficient combination of nutrients – providing targeted OPTI-benefits that support you dog’s health at every stage and need of his life. PURINA PRO PLAN DOG Medium Adult Sensitive Digestion Rich in Lamb contains OPTIDIGEST, a balance of easily digestible nutrients at specific levels for medium-sized adult dogs with sensitive digestion.This sensitive digestion recipe contains a combination of nutrients specific to your dog’s age, size and needs called OPTIDIGEST.