If you are using folic acid tablets for the treatment of a disease, it is recommended that you purchase the medication under the supervision of your doctor. If you are using folic acid tablets in preparation for pregnancy, purchasing a 0.4mg tablet of folic acid tablets is fine, regardless of the brand. Folic acid tablets are available in 0.4mg and 5mg sizes. Generally used for various causes of folic acid deficiency and folic acid deficiency caused by megaloblastic anemia or chronic hemolytic anemia caused by folic acid deficiency, the use of 5mg a specification of folic acid. For prophylactic use in pregnant and lactating women, one 0.4mg tablet is usually used. For the treatment of diseases caused by folic acid deficiency, it is necessary to use under the supervision of a doctor. The medication is administered from the first to third trimester of pregnancy to reduce neural tube malformations in the fetus. In addition, folic acid tablets have fewer adverse effects. Gastrointestinal symptoms such as nausea and bloating can occur with prolonged use of the medication, and when large amounts of folic acid are taken, it can cause the urine to turn yellow.