Folic acid (also known as vitamin B9, vitamin Bc or folacin) and folate (the naturally occurring form), as well aspteroyl-L-glutamic acid, pteroyl-L-glutamate, and pteroylmonoglutamic acid are forms o … see full wiki
I was advised by my GP to take this because of my borderline anemic condition rather than Iron supplements. It seems that those who suffers from Thalassemia should take Folic acid rather than Iron. Two of my sisters & my mom are thalassemic so chances I'm too!
Fortunately, Folic acid is cheap and abundant. Having said that, I haven't taken it for a long long time :p For better absorption, Folic acid should be taken in conjunction with Vitamin D, if I got my fact right, that is!