Folic acid is a water-soluble B vitamin, which is widely found in green leafy vegetables, fruits, animal livers and yeast. It is necessary for the growth and reproduction of cells in the body, but it cannot be synthesized by the human body, so it needs to be supplemented from the outside. Besides eating green vegetables, eating folic acid tablets is also an important way to supplement folic acid. Folic acid tablets have many functions, but one of the most widely used ones is taken by pregnant, pregnant and lactating women, which can effectively prevent fetal neural tube malformation and megaloblastic anemia.

Specifically, women taking folic acid tablets have the following effects:

1, prevent fetal neural tube malformation. The central neural tube is the part where the embryo develops into the brain, spinal cord, skull back and spine. If the central neural tube does not develop normally, the above parts may be defective when the baby is born. A large number of studies have shown that 0.4mg folic acid supplementation can prevent neural tube defects in pregnant women with normal constitution from the third month of pregnancy.

2, prevent fetal cleft lip and palate, major body surface deformities, etc. Supplementing folic acid in advance for pregnant women can also prevent congenital diseases such as cleft lip and palate and congenital heart disease.

3. Prevent megaloblastic anemia in pregnant women and fetuses. Lack of vitamin B 12 or folic acid before or during pregnancy may cause megaloblastic anemia, which can be recovered by supplementing vitamin B 12 or folic acid. Adequate folic acid supplementation in advance can also prevent megaloblastic anemia.

4. Folic acid can also prevent pregnant women from preeclampsia and depression during pregnancy, and women during pregnancy can supplement folic acid in advance.

In addition, taking folic acid tablets for men during pregnancy can improve sperm motility and enhance immunity. Supplementing 0.8mg folic acid every day for the elderly can reduce blood stasis and prevent cardiovascular and cerebrovascular diseases.

Supplementary information:

Although folic acid can be obtained from food, folic acid in food is unstable and easily oxidized by sunlight and heating. However, folic acid in folic acid tablets is relatively stable, which can remain stable for several months or years and is easily absorbed by the human body. Therefore, it is not recommended to supplement folic acid only by food supplement, but rather by folic acid tablets.

The best time to start folic acid supplementation is the first three months of pregnancy. The key period of fetal neural tube development is within 18-23 days after embryo implantation. At this time, the fetus needs a lot of folic acid, but many people don't know that they are pregnant at this time, and folic acid needs a certain period of time to accumulate in the human body to reach the normal level. Therefore, it is recommended to take folic acid tablets from the beginning of pregnancy.

It is appropriate to supplement folic acid with 0.4mg every day, and 0.4mg is the standard dose. Excessive folic acid supplementation will affect the mother's absorption of zinc and cover up the lack of vitamin B 12, which will affect the baby's development. In addition, excessive folic acid supplementation may increase the risk of autism in babies, so it is recommended to take 0.4mg folic acid tablets per tablet.

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