Natural Balance Turkey Barley Formula Review

My dog is 11 years old. She was on a prescription diet for about 6 years due to chronic urinary tract infections and bladder stones (urates). Last year she seemed very old, tired, not playful and withdrawn, didn't want to go out etc. so I decided to try other foods. I did some research on low purine diets, spent an hour in the store reading the ingredients and settled on this one as it best suited my needs. I have to tell you that she is a new dog. She has renewed energy, is playing again, is…