Vitamin D deficiency significantly affects cardiovascular disease risk. As the prevalence of cardiovascular disease has been increasing in children, it has been changing from an adulthood disease to a childhood disease. So, it is important to formulate an effective prevention strategy against cardiovascular disease development in children. Cardiovascular disease has become a major public health problem worldwide and has caused considerable morbidity and mortality.

Vitamin D deficiency might be common in children, even in those living in countries with abundant sun exposure, because of increased sedentary activities. Therefore, collating evidence from studies evaluating whether vitamin D deficiency is associated with cardiovascular disease risk in children is crucial. Method 25 studies qualitatively evaluating the association of vitamin D deficiency with cardiovascular disease risk in…