What happens when you don't eat enough on the carnivore diet?
                                
                                
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                                    5 min read                                
                            
                                Approximately 1-3 weeks into the carnivore diet, many people experience an adjustment period known as the "carnivore flu," characterized by fatigue and headaches. These symptoms, alongside low energy and persistent hunger, are major red flags signaling what happens when you don't eat enough on the carnivore diet.