Folic acid a day to eat 2 capsules is there a disadvantage

If a woman is taking 1 capsule of folic acid 0.4 mg, take 2 capsules a day, long-term use is a certain harm, women are prone to bleeding nausea, abdominal distension, fatigue and nervous system disorders. Under normal circumstances, folic acid 1 dose of 0.4 mg, take one capsule a day. If your folic acid is a small dose, take 2 capsules a day, otherwise do not advocate taking 2 capsules a day. It is recommended that women take folic acid strictly under the guidance of a doctor to prevent overdose and prevent harm to themselves and the fetus. In addition, folic acid should be taken three months before pregnancy and the first three months after pregnancy. once they enter the second trimester, they need to stop taking folic acid.