Calcium Carbonate Granules adaptability and their inherent qualities provide you the freedom to use them as nutritious ingredients in a variety of applications. They have qualities that make them safe in pH adjustment, corrosion control, and remineralization of reverse osmosis systems in water. The body needs calcium for strong bones, and muscles, a healthy neurological system, and a healthy heart. Calcium Carbonate Granules are safe to use. In addition to being an antacid, calcium carbonate is used to treat stomach discomfort, heartburn, and acid indigestion.