Molecules Similar to Caffeine: The Science Behind Your Energy Boost
                                
                                
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                                    4 min read                                
                            
                                Over 80% of the world's population consumes caffeine daily, making it the most widely used psychoactive substance. But what molecules are similar to caffeine in their structure and function? The answer lies in a family of compounds called methylxanthines, which share the same purine backbone and offer comparable, albeit distinct, physiological effects.