How Common is Iron Deficiency in the US? A Breakdown of Prevalence and Risk
                                
                                
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                                    5 min read                                
                            
                                According to data from the 2017–2020 National Health and Nutrition Examination Survey, an estimated 14% of US adults have absolute iron deficiency. This figure highlights how common is iron deficiency in the US, affecting millions and contributing significantly to public health concerns.