Pteroylglutamic Acid, also known as Folic Acid, is a B vitamin that is essential for many bodily functions. This vitamin is important for the development of red and white blood cells, as well as for maintaining a healthy nervous system. Synonyms for Pteroylglutamic Acid include Vitamin B9, Folacin, and Folate. These terms are often used interchangeably when referring to this important vitamin. Folic Acid can be found in many foods, such as leafy green vegetables, liver, and legumes. It can also be taken as a supplement to ensure adequate intake, especially for pregnant women who need higher levels to support fetal development.