Forget what you heard about the wonders of vitamin D. Here’s something else it doesn’t do: lower blood pressure. Science Daily reports on research conducted at the University of Dundee, Scotland, that studied 159 patients with hypertension. Patients were randomly assigned to either the vitamin D group or the matching placebo group, and received supplementation every three months for one year. Researchers measured difference in office blood pressure, 24-hour blood pressure, arterial stiffness, endothelial function, cholesterol level, insulin resistance, and b-type natriuretic peptide level during the 12 month. And the researchers found…”no significant research effect.” Read more from Science Daily.