Is 20/4 Fasting Sustainable? A Deep Dive for Advanced Fasting
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                According to a 2020 study, participants on a time-restricted eating schedule of 4 to 6 hours experienced approximately 3% weight loss over eight weeks. While 20/4 fasting offers rapid results, its extreme nature raises serious questions about whether it can be sustained long-term without risks to health and social life.