PTH and metabolic syndrome: The aim of this study was to investigate the relation between the important bone health parameters and the metabolic syndrome criteria, and to verify the effect of using two dietary supplements; composed of doum in the first and whole wheat in the other, in conjunction with a balanced hypocaloric regimen in improving the MetS criteria, the 25 (OH)D/PTH axis and serum uric acid level in middle aged working obese women suffering from the metabolic syndrome.