[Yorkiemom1]

Originally Posted by ladyjane

No, prescription foods by those companies are well researched and tested. They meet the needs of pups with different conditions...such as renal disease. I have had a couple of pups over the years on Purina NF and it has definitely helped them to live longer. When you feed that food and follow up with labs, unless a pup is just so far gone that it is over, their numbers on their BUN and Creatinine will improve greatly. Just one example.