What is the Healthiest Supermarket Sandwich?
                                
                                
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                                    4 min read                                
                            
                                According to the British Heart Foundation, some store-bought sandwiches can contain more calories and fat than a burger from a fast-food chain, making it crucial to know what is the healthiest supermarket sandwich. Navigating the pre-packaged sandwich aisle can be tricky, but by understanding key nutritional factors, you can make a choice that supports your health goals.