Negative correlation among vitamin B12 levels, obesity severity and metabolic syndrome in obese children: A case control study.

Objective: To determine the relationship among vitamin B12 status, obesity severity, and metabolic syndrome and its components in obese children..

Methods: This case-control study was conducted at the School of Medicine, Gaziosmanpasa University, Tokat, Turkey, from January 2012 and October 2014, and comprised cases of obese and healthy children.