Why Does My Iron Supplement Smell Like Metal in My Stool?
                                
                                
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                                    3 min read                                
                            
                                According to research published in the journal *Nutrients*, oral iron supplements can cause gastrointestinal side effects, including changes in stool odor and color. This is the most common reason why does my iron supplement smell like metal in my stool, but understanding the underlying mechanisms is key to alleviating worry and managing side effects effectively.