Nutrition Diet: What is the most deficient vitamin in the world?
                                
                                
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                                    5 min read                                
                            
                                According to the World Health Organization, over 2 billion people worldwide suffer from micronutrient deficiencies, a widespread issue often called 'hidden hunger'. Amidst this global challenge, determining what is the most deficient vitamin in the world highlights key nutritional shortfalls that impact public health on a massive scale.