What Wine Is Highest in Sulfites? The Truth About SO₂
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                According to the Food and Drug Administration (FDA), an estimated 1% of the U.S. population has a sensitivity to sulfites. It is often a surprise to many that sweet white wines and certain semi-dry whites contain the highest levels of added sulfites, not red wines.