How long does it take to correct a deficiency?
                                
                                
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                                    4 min read                                
                            
                                According to the World Health Organization (WHO), iron, vitamin A, and iodine are among the most common nutrient deficiencies globally. The timeline for how long does it take to correct a deficiency can vary widely, from a few weeks to several months, depending on the nutrient involved, the severity of the shortage, and the chosen treatment method.