Is Salmon OK Before a Colonoscopy? Your Definitive Guide
                                
                                
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                                    4 min read                                
                            
                                According to numerous medical guidelines, lean, low-fiber proteins like salmon are often permitted on a low-residue diet in the days leading up to a colonoscopy. Is salmon ok before a colonoscopy? Yes, but only during a specific dietary phase and never on the final clear liquid day.