How Magnesium interacts with calcium

Interaction type: Interactions

Interaction rating: Study Supported

Magnesium absorption from the digestive tract may be decreased by large doses of calcium. Supplementation with the affected nutrient may be necessary. (1)


  1. View Abstract: Norman DA, et al. Jejunal and Ileal Adaptation to Alterations in Dietary Calcium: Changes in Calcium and Magnesium Absorption and Pathogenetic Role of Parathyroid Hormone and 1,25-dihydroxyvitamin D. J Clin Invest. Jun1981;67(6):1599-603.