Nervine
Nervines are herbs that soothe the nervous system and have a calming effect on the emotions. Examples include oatstraw flowering tops (Avena sativa), passionflower (Passiflora incarnata), lavender (Lavandula officinalis), St. John’s wort (Hypericum perforatum). Herbs that promote cerebral circulation as well as nourish and protect the brain and may also be considered nervines. Such herbs include rosemary (Salvia rosmarinus), ginkgo (Ginkgo biloba) and gotu kola (Centella asiatica).