According to a 30-minute infomercial, coral calcium -- a supplement that is supposedly made from coral from Okinawa, Japan -- could treat or cure cancer, lupus, high blood pressure, multiple sclerosis, and other conditions. Makers also claimed that the body absorbs more calcium from coral calcium than from other supplements. The problem is that there was no reputable evidence to back up these assertions.
The Federal Trade Commission (FTC) and the Food and Drug Administration (FDA) took legal action against some marketers of coral calcium, and a federal court prohibited the makers of these products from making such unsupported health claims.
The bottom line for consumers is clear: coral calcium isn't a wonder drug. If you are looking for a calcium supplement, stick with an established brand.