Which Mountain Dew flavor has most caffeine? A definitive guide
                                
                                
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                                    3 min read                                
                            
                                With some Mountain Dew products containing up to 180 mg of caffeine per 16-ounce can, the range of caffeine content within the brand is vast. If you are looking for the highest kick, understanding which Mountain Dew flavor has most caffeine is key to making an informed choice for your energy needs.