Passionflower contains various flavonoids, compounds that are well known antioxidants and may also contribute to anti-anxiety effects; flavonoids may be more concentrated in the leaves than other parts of the plant. Passionflower also contains alkaloids, bitter tasting compounds found in many plants that have a range of medicinal activities.
This herb can be used for panic attacks when needed as well as for general anxiety and stressful issues. It is mild in action for those who use for insomnia as it has no known morning-after hangover effect that one may experience when using Valerian for example.