PurrGurt is our newest addition to the Enhance product line! It starts with whole raw krill and salmon oil to tantalize the taste buds and then adds in a herbal cockTAIL that helps balance the PH in the urinary tract system. This product is perfect for both CATS and Dogs with stones, crystals, urinary tract problems. We finish off this amazing treat with L-lysine to help boost your pet’s delicate immune system.