Which Tea Has the Most Theine? Unpacking the Science of Caffeinated Tea
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                While often used to differentiate the caffeine in tea, 'theine' is the exact same molecule as caffeine. The key difference lies in how other compounds in tea, like L-theanine and tannins, alter its absorption and effect, creating a smoother, more sustained energy boost compared to coffee's rapid spike.