Is it safe to take folic acid daily?

Safety of Daily Folic Acid Intake

It is recommended that all individuals who are capable of becoming pregnant consume 400 micrograms of folic acid each day to aid in the prevention of neural tube defects. Research has shown that folic acid is both safe and effective when taken in the suggested dosages. While there may be instances of unmetabolized folic acid present in the bloodstream, no established health risks have been reported.