It's by Traditional Medicinals, and it's available in our grocer's organics section. It's got slippery elm in it, which is supposed to coat the throat, and of course it's a hot tea so it's soothing in that way, too. I am not an herbalist or anything, but I can say that it works better than a cough drop and is tastier (sort of a faint licorice taste, and I'm not fond of licorice but I still like it).