Folic acid (vitamin B9 or folate) is a collective term for pteroylglutamic acids, which are a polycyclic heterocyclic carboxylic acid …
http://www.naturalpedia.com/folic-acid-sources-health-benefits-and-uses.html
Folate is the natural source of vitamin B9 commonly found in a variety of foods, such as green leafy vegetables, …
http://www.naturalpedia.com/folate-sources-health-benefits-and-uses.html