Good before any stressful event- visit to vet/groomer, being shown/boarded, moving and for correcting behavior problems. This is not a sedative, but a balancing formula to lessen anxiety. Takes effect in only 30 minutes and pets remain alert and calm. Ingredients: Anamarrhena, China root, Indigofera neopolygaloides, Arborvitae twig, Licorice root rhizome, Ophiogogon ruber, Sour jujube seed,Chinese angelica root, Codonopsis , Dried ginger rhizome, Cats 1 pill twice daily, Kittens 1 pill daily