13 Jun 2018 Blackmores Institute Magnesium essential for vitamin D function 13 Jun 2018 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Without optimum levels of magnesium, vitamin D may not be utilised fully by the body according to a review published in the Journal of the American Osteopath Association. × To continue reading this article, please Log In or Sign Up for access.