Cinnamon water has become a popular morning habit, with many people adding a cinnamon stick to a glass of water in the hope of supporting weight loss, blood sugar and heart health. The drink is simple to prepare and has attracted attention because of the compounds naturally found in cinnamon. But some of the claims around this everyday drink are stronger than what the available evidence actually shows. Heres what you should know before making cinnamon water part of your morning routine.