Folic acid, also known as vitamin B9, is a water-soluble vitamin that can treat anemia caused by folic acid deficiency, and is also a nutritional supplement during pregnancy, which women start taking before they prepare for pregnancy. If you buy folic acid from a regular pharmacy, there will rarely be a safety issue, each pharmacy’s purchase channels, management of the degree of sparseness are different, in the drugstore to buy folic acid must choose a regular drugstore, if you really do not feel confident, you can go to a regular three hospitals to buy, in the guidance of a regular doctor to use the drug. The first three months of pregnancy need to supplement folic acid, can prevent fetal development malformation, take folic acid should pay attention to observe the date of production, expired products are prohibited to take. If there is damage to the outer packaging of the drug will also affect the effect of the drug, can not be taken, supplement folic acid can also eat foods rich in folic acid, such as meat products, vegetables, fruits and so on.