Which one has more sugar, grapefruit or orange? A complete nutritional comparison
                                
                                
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                                    3 min read                                
                            
                                While oranges are famously sweet and grapefruit is known for its tartness, research shows oranges contain significantly more sugar per serving. A medium orange can have around 12 grams of sugar, whereas a typical half grapefruit contains closer to 8 grams.