Hii I’m Elizabeth Wnickel Whenever i travel on a plane, people ask me about “Can You Bring Melatonin On A Plane However, it's worth noting that rules regarding medicines and supplements may differ depending on the country, so it's best to review the laws and regulations of your destination before departure. Furthermore, if you're traveling internationally, it's recommended that you pack your melatonin in its original packaging and carry a copy of your prescription, if available. This will assist in avoiding any potential difficulties with customs officials.