I original purchased a bottle of vets best for my cat that had uti but he doesn't seem to care much for these supplements. However, surprisingly my other cat who doesn't have uti issues goes blizzard over these as treats. He literally begs for them daily so now as the prices on them are going up, I manage to find it here at bulk for good value. I'm stocking up as I know my cat will be heartbroken if we don't have it for him anymore