Yes, Do All Tomatoes Have Sugar? The Factors That Influence Sweetness
                                
                                
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                                    4 min read                                
                            
                                While many fruits contain significant sugar, fresh tomatoes are surprisingly low in both carbohydrates and sugar, with average varieties containing only about 2.5 grams of sugar per 100 grams. Yes, all tomatoes contain some sugar, but a number of factors determine the specific amount and how sweet they taste to you.