How long can you survive on one protein shake a day? The dangerous truth
                                
                                
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                                    4 min read                                
                            
                                The human body, in a state of starvation, can rely on its stored fat and then muscle for energy, allowing for survival for weeks or months under extreme, medically supervised circumstances. However, attempting to replicate this by asking "How long can you survive on one protein shake a day?" reveals a dangerous misunderstanding of nutrition and a direct path to severe, potentially fatal, health complications.