Overview Also known as vitamin B9 or folate Used to form tetrahydrofolate (THF) login to view 1 more bullet Found in leafy greens and fresh fruits Absorbed in the jejunum and ileum Small reserve pool is stored in the liver login to view 1 more bullet Deficiency Folic acid deficiency causes a megaloblastic anemia Most common vitamin deficiency in the United States Causes login to view 7 more bullets Presentation login to view 8 more bullets