Magnesium carbonate, represented by the chemical formula MgCO3, is a white solid that occurs naturally as a mineral. It is commonly found in deposits and can be produced synthetically. This compound is often used in various applications, including as a drying agent, in the production of magnesium oxide, and as a filler in products like rubber and plastics. In addition to its industrial uses, MgCO3 plays a role in the health and nutrition sector. It is sometimes used as a dietary supplement to provide magnesium, an essential mineral that supports numerous bodily functions, including muscle and nerve function, and bone health.