Does Original Tart Have Sugar? What You Need to Know
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                According to nutritional information from various frozen yogurt brands, a single serving of original tart flavored frozen yogurt can contain anywhere from 13 to 16 grams of sugar. While the name 'tart' might suggest a low-sugar or sugar-free option, this popular flavor actually contains both natural and added sugars.