Here is a good article on taking too much calcium supps....I've known of this for years and too many docs keep pushing high doses of calcium....we need Vit D, K2 and magnesium for stronger bones....I take 500mg food grade calcium most days and higher doses of mag and my D and K2..... I know some who end up with calcium deposits from taking too much calcium....foods are important and as much exercise as one can do....for bone strength. Stretching if nothing else can be done. www.mercola.com/ Cached Similar How Exercise Helps Strengthen Your Bones and Avoid Osteoporosis, Safely ... Besides the increased risk of heart attack and stroke, there's another reason to ... Well, of course, the links don't open for me here, I have an issue a lot with this...if one just puts in their Search How Exercise Helps Strengthen Your Bones, etc......this calcium article will turn up by Mercola... Other Altnative MD's have comments on too much calcium intake too.