Promote your cat’s normal appetite, digestion, and immune system. When given daily, these chews help to support your cat’s overall well-being for everyday health. Contains one billion colony-forming units (CFU) of live (viable) bacteria to encourage healthy bacteria. Aids in maintaining the proper balance of beneficial bacteria and promoting a healthy immune system. Veterinarian-formulated and manufactured in Vermont, these chews are made free of corn, artificial flavors and dyes, and have a great whitefish taste your kitty will love!