Folic acid is an essential vitamin that plays an important role in human health. It is widely used in the pharmaceutical, food, and nutritional industries. Many people know folic acid as vitamin B9, which supports cell growth and helps the body produce healthy red blood cells. Because of its importance in human nutrition, folic acid is commonly used in dietary supplements, fortified foods, and prenatal medicines. Due to this wide usage, the global demand for folic acid continues to grow steadily.