Several herbal remedies have been studied as a treatment for anxiety, but more research is needed to understand the risks and benefits. Here's what we know — and don't know: Kava. , Passionflower. , Valerian. , Chamomile. , Lavender. , Lemon balm. . If you're considering taking any herbal supplement as a treatment for anxiety, talk to your doctor first, especially if you take other medications. The interaction of some herbal supplements and certain medications can cause serious side effects. If your anxiety is interfering with daily activities, talk with your doctor. More serious forms of anxiety generally need medical treatment or psychological counseling (psychotherapy) for symptoms to improve.