Catnip [Nervous], a member of the mint family, is best-known for its ability to elicit euphoria in felines. But it has value to humans as a support to both the nervous and immune systems. Catnip contains iron, selenium, potassium, manganese, chromium and moderate amounts of other minerals and vitamins. Each capsule contains 300 mg catnip. Take 2 capsules with a meal three times daily.