Nepeta cataria Catnip is not just for the kitties, but also superlative for kiddies. Safe for kids, but wonderful for folks of any age, catnip can calm anxiety, insomnia, and restlessness. Its carminative effects also make it great for colic. Catnip is a go-to for fevers, colds, flu, and upset tummies. It is bitter on its own, so when offering it to children, it may be best to mix in another milder herb, such as chamomile and/or peppermint. THS recommends that you consult with a qualified health ...