Our Fine Ground Calcium Carbonate (GCC) is an essential ingredient in the microporous film used in babies' diapers and some building films as the pores are nucleated around the calcium carbonate particles during the manufacture of the film by biaxial stretching. Our Fine Ground Calcium Carbonate is widely used medicinally as an inexpensive dietary calcium supplement or gastric antacid.[10] It may be used as a phosphate binder for the treatment of hyperphosphatemia (primarily in patients with chronic renal failure). It is also used in the pharmaceutical industry as an inertfiller for tablets and other pharmaceuticals.Our Fine Ground Calcium Carbonate is known among IBS sufferers to help reduce diarrhea.