Does Nicotine Actually Have Calories? Separating Fact from Weight Myths
                                
                                
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                                    3 min read                                
                            
                                Did you know that pure nicotine itself contains zero calories? This fact often surprises people who connect nicotine use with weight fluctuations. The truth is that while nicotine does not actually have calories, its powerful effects on your body's metabolism and appetite are what influence weight.