How do you remove caffeine from coffee?
                                
                                
                                •
                                
                                
                        
                                    
                                    3 min read                                
                            
                                Decaffeinated coffee often retains a small amount of caffeine; commercial methods typically remove at least 97% of the stimulant from green coffee beans. The commercial processes, conducted before roasting, are more effective than any at-home method.