Pet Naturals of Vermont Daily Digest Fun-Shaped Chews for Cats Two pack of tasty chews - Daily Probiotic for Cats contains probiotics which support digestion and immune system health of your furry friend. An extremely durable probiotic, bacillus coagulans, supports digestion by producing a wide spectrum of enzymes and supporting the ability of the animals body to eliminate hostile bacteria. One a day chew is recommended for dealing with daily stress, such as traveling, boarding, trips to the vet, and cats that have regular digestive issues. Among other ingredients, the product contains natural duck flavor, rosemary extract, aloe vera gel concentrate.