Does Red Bull not have caffeine? The definitive answer
                                
                                
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                                    4 min read                                
                            
                                According to Red Bull, an 8.4-ounce (250 ml) can of its energy drink contains 80 mg of caffeine, a fact that directly counters the misconception that the beverage is caffeine-free. This is roughly the same amount of caffeine found in a standard cup of home-brewed coffee.