When your kitty is suffering from a lower urinary tract infection, they need a special diet to help them heal and prevent further problems. The Hi-Tor Felo Diet for Cats provides a low magnesium diet with an optimum balance of nutrients while helping prevent the formation of calculi or stones in the lower urinary tract system. Low levels of magnesium and phosphorus encourage a healthy level of pH, while preventing painful urinary tract stones. With Hi-Tor Felo Diet For Cats, your favorite feline will be feeling better in no time!