Do you get weaker on keto? Understanding the adaptation phase
                                
                                
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                                    4 min read                                
                            
                                During the first week on a ketogenic diet, it is common to experience flu-like symptoms, including fatigue and weakness. This initial dip in energy is a temporary side effect as your body transitions to burning fat for fuel, but the concern, "Do you get weaker on keto?" is valid for anyone relying on physical performance.