Catnip: Beneficial Herb for Humans and Cats Nepeta cataria, commonly called catnip, is an ancient member of the mint family. It has been used in western folk practices for millennia, and is loved for its gentle, calming properties. Herbalists and parents often brew this child-friendly herb into a soothing tisane, but it can also be taken internally as a tincture. Learn more about this apothecary staple and watch Shana Lipner Grover of Sage Country Herbs share her expertise with this plant in the