Does Vitamin D Affect ADHD? Unpacking the Research
                                
                                
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                                    4 min read                                
                            
                                According to a 2019 meta-analysis, children and adolescents with attention-deficit/hyperactivity disorder (ADHD) had significantly lower serum vitamin D concentrations compared to healthy controls. The question, "Does vitamin D affect ADHD?" has therefore prompted considerable scientific research into this intriguing connection and the potential role of supplementation.