http://articles.mercola.com/sites/articles/archive/2003/06/07/calcium-bones.aspxCalcium has been the focus of nutritional research for the prevention of postmenopausal osteoporosis as many clinical trials of calcium supplementation have found that it can indeed reduce bone loss and lower the risk of bone fractures. However, the trialsenCommunityServer 2008.5 SP1 (Build: 31106.3070)