I have three doxies one had bladder stones and one had crystals in his urine and the third threw up in the middle of the night. They had been on science diet prescriptions and unhappy. They had allergies to the food. We tried vital and wow no more problems. All three love the food and they are healthier. Shiny Coates and big smiles. What a difference. They play more and are so excited to eat. Love the change ! No dyes all natural ar important benefits to keeping them healthy and happy. ?