In Clover Grin Daily Dental Care Chews for Dogs, Grain Free Formula for Clean Teeth and Fresh Breath, Scientifically Formulated, Stop Plaque and Tartar with Antibacterials and Prebiotics 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 dog Prebiotics support healthy digestion for freshness from the inside out!