Does Mello Yello Have Caffeine In It?
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                According to the Coca-Cola website, a 12-ounce can of Mello Yello contains 51mg of caffeine. This provides a moderate boost similar to other citrus sodas, confirming that Mello Yello is a caffeinated beverage, not a caffeine-free alternative.