What is the blue drink that causes weight loss?
                                
                                
                                •
                                
                                
                        
                                    
                                    3 min read                                
                            
                                Over 70% of adults in the United States are overweight or obese, fueling the popularity of weight-loss trends such as the "blue drink". This drink, often using blue spirulina, has gained traction on social media for its supposed metabolism-boosting properties.