How Many Calories in a 12 Inch Subway Tuna? The Full Nutritional Breakdown
                                
                                
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                                    3 min read                                
                            
                                A standard 12 inch Subway tuna sub on white bread with minimal vegetables contains over 1,000 calories. This calorie count can fluctuate dramatically based on your choice of bread, cheese, sauce, and other additions, making it crucial to understand the full nutritional impact of your sandwich.