The Single Fast Food Item with the Most Calories Ever Revealed
                                
                                
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                                    5 min read                                
                            
                                According to the Guinness World Records, the most calorific commercially available burger was the Quadruple Bypass Burger from Heart Attack Grill, packing a staggering 9,982 calories. The hunt for what fast food item has the most calories ever reveals extreme creations designed for shock value and mega-indulgence.