What K-cup Has the Highest Caffeine Content?
                                
                                
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                                    6 min read                                
                            
                                According to the Center for Science in the Public Interest, most standard K-Cups contain between 75 and 150 mg of caffeine per 8 oz cup, but some specialty brands pack a much more powerful punch. If you're wondering what K-cup has the highest caffeine content, the answer lies in understanding these high-octane varieties.