What Is In Coral Calcium?

Coral is formed by tiny living organisms named coral polyps. Coral polyps absorb limestone or calcium carbonate from the sea to build structures around themselves for protection. As and when coral polyps die, new polyps would then grow on top of the already formed coral and reefs are thus formed.  

Coral calcium is said to be a dietary supplement derived from living corals that have fallen off from coral reef. Some also claim that coral calcium is mined from ocean beds. Basically coral calcium is just limestone or calcium carbonate.

Coral calcium consists of about 25% to 40% of calcium. Coral calcium also includes magnesium and many other minerals in small quantities.

Since coral calcium is mined out of seabed or derived from corals fallen off the reefs, they are likely to contain more amounts of dangerous substances including lead and other heavy metals. It is found that the lead content in coral calcium might be as high as to pose a threat to the development of a child if the mother consumes it while being pregnant or when breastfeeding.

Coral calcium is comprised of crushed calcareous corals.
Say that five times fast.

Or how bout:
Suzy sells crushed calcareous corals down by the nutritional supplement center.