In addition, these patients also presented with a decrease in stomach acid levels and subsequent gastrointestinal symptoms in many cases, which they had not experienced while taking other calcium supplements prior to switching to coral calcium. It is unclear whether all, or only specific coral calcium formulation are responsible for this effect, however from the mostly negative clinical experience encountered with coral calcium so far, and the time and effort it takes to restore a patient's nutritional profile back to normal, the supplementation of coral calcium is not recommended... Full Text