21 Jul 2016 Blackmores Institute Magnesium supplements can modestly lower blood pressure 21 Jul 2016 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Magnesium can modestly lower blood pressure, according to research published in the American Heart Association's journal Hypertension. Researchers have long debated whether magnesium plays a role in regulating blood pressure with inconsistent and controversial evidence from studies in humans. This meta-analysis, however, collected data from 34 clinical trials, involving 2,028 participants, and found a small but significant association between magnesium intake and reduced blood pressure. × To continue reading this article, please Log In or Sign Up for access.