Are Diced Tomatoes High in Sugar? The Truth About Their Nutritional Content
                                
                                
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                                    5 min read                                
                            
                                A standard half-cup serving of canned diced tomatoes contains just 2–3 grams of natural sugar, making them far from a high-sugar food. This low sugar and carb count is why so many ask, "are diced tomatoes high in sugar?".