Some cats will [also] be annoyed just by having a collar on and that will defeat the purpose.” Elements Satchu says that pheromones, rosemary, chamomile, and tryptophan are some of the top rated ingredients to look for, while other products also have calming aids like passionflower, colostrum, L-theanine, and jasmine. https://thcaguides12333.blogdon.net/top-latest-five-all-natural-cat-treats-urban-news-49539531