What is a 21 21 21 diet for building sustainable habits?
                                
                                
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                                    3 min read                                
                            
                                Research from University College London suggests that it takes an average of 66 days to form a new habit, which aligns perfectly with the philosophy behind the 21 21 21 diet. This holistic, three-phase program offers a beginner-friendly path to creating lasting lifestyle changes by focusing on one manageable goal at a time.