Do Blackberry Refreshers Have Caffeine? The Complete Answer
                                
                                
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                                    3 min read                                
                            
                                Over 50% of American adults consume coffee daily, but many are curious about the caffeine content of other popular beverages. A common question among those seeking a lighter buzz is: do blackberry refreshers have caffeine? The answer is yes, most commercially prepared blackberry refreshers from chains like Starbucks and Dunkin' contain caffeine, often sourced from green coffee extract or green tea.