WHO definition of micronutrients explained
                                
                                
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                                    4 min read                                
                            
                                According to the World Health Organization (WHO), deficiencies in key micronutrients like iron, vitamin A, and iodine are among the most common and critical health issues facing populations worldwide. This highlights the importance of the WHO definition of micronutrients and their vital impact on human health and development, despite being required in very small amounts.