Vitamin B Deficiency Among the Healthy Jordanian Adult Population: Diagnostic Levels, Symptomology and Risk Factors.

Background: Compared to the data available for developed countries, there is a marked scarcity of information on the levels and symptomology of vitamin B deficiency in developing countries, particularly in the Middle Eastern region.

Objective: To explore (a) the risk factors associated with a deficiency of vitamin B, and (b) the baseline (cut-off) serum level of vitamin B for a clinically-symptomatic deficiency in the Jordanian adult population.

Methods: A total of 485 subjects were included in this study.