What's more unhealthy, mayo or ketchup? A complete nutritional showdown
                                
                                
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                                    2 min read                                
                            
                                Mayonnaise sales have famously overtaken ketchup in popularity in some markets, intensifying the age-old condiment showdown. With creamy richness on one side and tangy sweetness on the other, many people are left wondering which of these popular sauces is the unhealthier choice for their diet.