folic acid, folate molecule. it is known as vitamin b9. skeletal chemical formula on the dark blue background

acid anemia antifolate atom atomic bifida carbon cardiovascular chemistry compound deficiency dietary dihydrofolic disease dna drug folacin folate folic folinic formula glutamate glutamic homocysteine hydrogen hypervitaminosis illustration methotrexate model molecular molecule neural nutrient organic pregnancy pregnant science spina structure supplement supplementation tetrahydrofolate valproic vitamin