Nutrition Diet: How long does it take for the body to burn fat during fasting?
                                
                                
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                                    4 min read                                
                            
                                For most people, fat burning typically begins after approximately 12 hours of fasting and escalates between 16 and 24 hours. This metabolic shift, triggered by depleted glucose stores, is the key to understanding **how long does it take for the body to burn fat during fasting?**