Understanding How Much OTC Iron to Take
                                
                                
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                                    3 min read                                
                            
                                According to the NIH Office of Dietary Supplements, the Recommended Dietary Allowance (RDA) for iron varies significantly by age, gender, and life stage, from 8 mg for adult men to 27 mg for pregnant women. However, this RDA includes dietary sources, and the appropriate intake for an over-the-counter (OTC) supplement depends on individual needs and a healthcare provider's advice.