Purina Pro Plan Veterinary Supplements Calming Care contains a strain of beneficial bacteria shown to help cats maintain calm behaviour. The science behind our therapeutic products represents a collaboration between Purina pet nutrition experts, researchers and veterinarians. Highlights: -Proprietary use of probiotic strain BL999 to help cats maintain calm behaviour -Helps promote positive behaviours such as playing and seeking out social contact -Supports cats during external stressors such as changes in routine and location -Great taste Ingredients: Active Ingredients per sachet (1 g): Bifidobacterium longum BL999 1 x 10(9) CFU, Vitamin E 100 IU. Inactive Ingredients: Animal Digest, Maltodextrin. A9300C.