Can keto make you feel sick at first? A guide to the 'keto flu'
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                Up to 25% of individuals transitioning to a ketogenic diet experience flu-like symptoms, a phenomenon known as the 'keto flu'. This leads many to ask: 'Can keto make you feel sick at first?'—the answer is a temporary, but manageable, yes, and understanding the causes is key to feeling better.