What is the 3 week diet?
                                
                                
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                                    4 min read                                
                            
                                Claiming to help users shed up to 20 pounds in just 21 days, **what is the 3 week diet** has gained attention for its promise of rapid results. This comprehensive program is not a generic eating plan but a structured system with specific dietary, fitness, and motivational components developed by personal trainer Brian Flatt.