Some cats will [also] be irritated just by possessing a collar on and that should defeat the objective.” Components Satchu suggests that pheromones, rosemary, chamomile, and tryptophan are a few of the best components to look for, although other products also comprise calming aids like passionflower, colostrum, L-theanine, and jasmine. https://felixbvmzl.blogpixi.com/35110678/cat-joint-health-supplements-for-dummies