Folic acid tablets in the taking does not limit the morning and evening time, any time can be, but it is best to eat in the morning, at this time the absorption will be better, folic acid is vitamin B9, this vitamin is not able to synthesize in the human body, only through the exogenous intake of folic acid for the human body is very important to promote the growth of cell division and synthesis of nucleic acids and proteins, in particular for the growth and development of fetus is very important. Folic acid tablets are mainly used in pre-pregnancy, pregnancy, to prevent fetal neural tube malformation and harelip and so on, usually pregnant women in the first trimester of pregnancy, the second trimester of pregnancy, need to supplement folic acid, there are some women due to folic acid metabolism is a low metabolism, and even the whole pregnancy need to take, such as pregnant women after taking folic acid nausea, this time you can choose to take it after a meal.