1. Anemia: Folic acid is an essential nutrient for the synthesis of red blood cells. Lack of folic acid can lead to anemia.
2. Nervous system problems: Folic acid is very important for the development and functional maintenance of the nervous system. Lack of folic acid may lead to nervous system problems, such as insomnia, depression and memory loss.
3. Fetal malformation: Lack of folic acid in pregnant women will increase the risk of fetal neural tube defects, such as spina bifida and anencephaly.
4. Immune system problems: folic acid can promote the normal function of the immune system, and lack of folic acid may lead to immune system problems, such as susceptibility to infection and fatigue.
5. Digestive system problems: Folic acid can promote the growth and repair of intestinal cells. Lack of folic acid may lead to digestive problems, such as diarrhea and constipation.
Therefore, in order to keep healthy, it is recommended to take enough folic acid every day. Generally speaking, adults need to consume 400 micrograms of folic acid every day, while pregnant women need more folic acid. Demand can be met by food intake or oral folic acid supplements.