Does Too Much Protein Cause Tiredness? Unpacking the Link Between Intake and Fatigue
                                
                                
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                                    4 min read                                
                            
                                According to a study published in the *American Journal of Clinical Nutrition*, high-protein total diet replacements were shown to increase total energy expenditure, yet some individuals report feeling sluggish. Does too much protein cause tiredness, or is this a nutritional myth? This article explores the physiological reasons behind this common complaint.