Sentry Good Behavior Chicken Flavored Soft Chew Calming Supplement uses a special pheromone to help dogs maintain calmness in stressful situations. For use by dogs of all ages and breeds, it helps dogs and puppies cope with environmental stressors like trips to the vet, thunderstorms, and more. The easy-to-give chews make calming your pup down easy, too. Just give the recommended dose for your pup’s weight and let the relief begin. For more than a decade, Sentry has worked side by side with leading pet experts and top universities researching effective ways to help pets lead happier, less stressful lives.