There are, but know that alternative medicine is harder to do and works more slowly than taking a medication, assuming it works at all, which, like all other treatments for anxiety, may not work at all. The first thing to do is buy a book called Natural Highs by Hyla Cass. It's an old book, and it's not written by a professional herbalist or the like, it's written by a psychiatrist who taught and might still teach at UCLA and uses natural medicine in her practice.