[micheal.giovoni]

I have heard that it merely calcifies on bone is this true?

[Mona]

No , all they do is strenghten existing fragile bones.

[Sarah9847]

What do you mean by"dead bone?"No bone in the human body is dead, unless the person themselves is dead.Boniva and other osteoporosis drugs work by making your body build stronger bones.

[wilma s]

Actually those advertised medications have never been clinically studied to aid in bone strength...but the side effects can really cause problems