How much caffeine is in a Donut Shop K-cup refresher?
                                
                                
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                                    4 min read                                
                            
                                According to product information, a standard Donut Shop K-cup refresher contains 45 milligrams of caffeine, which is sourced from green coffee beans. This refreshing iced drink offers a mild energy boost, making it a distinct alternative to traditional coffee and a comparable option to many green teas.