Ultimately, the "calcium is good for your bones" mantra is yet another example of a good theory gone wrong, and represents how broadly deluded the mainstream medical community is about bone health and the nature of osteoporosis, and its highly fabricated twin condition "osteopenia." There are actually a number of studies indicating that mass market calcium supplements increase your risk for cardiovascular incidents and other problems, while offering little benefit to your bones. Only because something can increase your bone density: eating what amounts to chalk or pulverized bone meal, or worse, chemicals like the drugs Fosamax and Evista, does not mean this will translate into improved health for your bones, or any of your other organ systems.