Elavil is a multivitamin that can supplement a variety of trace elements and folic acid, which is good for preventing fetal neural tube malformation. The multivitamin contains 12 vitamins, 7 minerals and trace elements to meet the nutritional intake needs of the mother and baby, and can prevent anemia during pregnancy due to iron deficiency and folic acid deficiency. It is very important to start supplementing folic acid in the first trimester of pregnancy to prevent fetal neural tube malformations, and if there are abnormalities in folic acid metabolism, pregnant women who are in a position to do so can continue to take the supplement until the late stages of pregnancy. The existence of renal function damage, iron accumulation, iron utilization disorders, hypercalcemia, urinary calcium and other diseases can not be used arbitrarily, it is recommended that must be taken under the guidance of a doctor.