MAGNESIUM AND CALCIUM NEED TO BE TAKEN TOGETHER FOR THE BEST RESULTS THEY NEED EACH OTHER ADDING A LIL ZINC IS THE CHERRY ON TOP WORKED FOR A HOLISTIC VITAMIN COMPANY HAD TO LEARN ABOUT THESE THINGS AND IM STILL LEARNING THEY HAD THE BEST IONIC MINERAL I EVER TOOK NOW I CANT REMBER THE CO. OR THE NAME OF THE MINERALS UGG HATING GETTIN OLD