How much calcium is too much?


Controversy over supplements and heart damage has put prescribers in a quandary, writes Emily Dunn.

It is the most abundant mineral in the human body and 99% of it is found in bones and teeth. That’s not exactly controversial.

The other 1%, however, is provoking angst. It’s not clear whether supplementation for bone health is too much of a good thing, increasing the risk of cardiovascular and cerebrovascular events.

The debate was reignited in The Annals of Internal Medicine last year when a systematic