Does Tea Have Teofilin? The Truth About Theophylline in Your Cup
                                
                                
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                                    3 min read                                
                            
                                While most people associate tea's stimulating effects with caffeine, studies show that tea leaves also contain small quantities of a related compound called theophylline. For those asking 'does tea have teofilin,' the answer is yes, with the clarification that 'teofilin' is simply the Spanish spelling of theophylline.