How Much Protein Is in Tuna Salad at Subway?
                                
                                
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                                    4 min read                                
                            
                                According to nutrition data, a standard 6-inch Subway tuna sub provides approximately 29 grams of protein, while the footlong offers around 46 grams. The answer to how much protein is in tuna salad subway is highly dependent on the portion size and specific customizations.