Bluestem Original Flavour is a drinking water additive for all breeds and sizes of cats and dogs. It contains coactive+ technology, a unique formulation of food-grade ingredients developed to breakdown biofilm, where harmful bacteria associated with periodontal disease multiply. Scientifically formulated to maintain good oral hygiene by attacking periodontal disease, it helps prevent plaque, breaks apart tartar, and also freshens breath! It's easy to use - just add 2 capfuls to 600ml of your pet's drinking water (1 capful is 10ml). Daily use, as directed, is important for best results.