In Clover Smile Daily Dental Health Soft Chews for Cats, Support Healthy Teeth and Fresh Tongue with Bactericides Catnip and Green Tea, Prebiotics, and Chlorophyll for Fresh Breath Works from within the bloodstream for clean teeth and fresh breath, with no chewing, scraping or brushing. Natural ingredients kill bacteria above and below the gumline, stopping plaque before it starts. Removes plaque build-up by dissolving the sticky film on teeth. Chlorophyll, also known as nature's breath mint, reduces smelly breath for a kissable pet. Prebiotics support healthy digestion for freshness from the inside out!