Does Your Body Feed Off Fat When Fasting? The Metabolic Switch Explained
                                
                                
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                                    5 min read                                
                            
                                After around 12 to 24 hours without food, the human body typically exhausts its stored sugar (glycogen) and initiates a shift towards burning fat for energy. This fundamental metabolic transition is at the heart of how does your body feed off fat when fasting, beginning the crucial process of ketosis.