What are the Ingredients in Mcdonald's Blue Slushie?
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                Available nutritional information from McDonald's and CalorieKing reveals that the main ingredients in the popular blue slushie vary slightly depending on whether it's the Frozen Fanta or Minute Maid version. The drink's vibrant color and flavor come from a specific blend of sweeteners, acids, natural and artificial flavors, and preservatives.