Dr. Steve Gabriel MD and Noel talk about the value of calcium in the diet because not all sources of calcium are worthwhile or beneficial. Some types of calcium supplements actually do harm by promoting coronary heart disease. Dr. Gabriel and Noel describe the different sources of calcium and why calcium from fishbone is a form of calcium which is “bio-identical” to our own human bones and is formulated to actively stop calcium from building up on the walls of the coronary arteries. like most other calcium supplements do.