Yes, a Starbucks Mocha Frappuccino in a bottle has caffeine
                                
                                
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                                    3 min read                                
                            
                                According to the Center for Science in the Public Interest, a 13.7 oz bottled Starbucks Mocha Frappuccino contains 105 mg of caffeine. This confirms that a Starbucks Mocha Frappuccino in a bottle does have caffeine, derived from the brewed coffee base used in its creation.