Folic acid may be used from diet and supplements. Folic acid from supplements or fortified foods is simpler to absorb. Synthetic vitamin B9, like folic acid, is frequently more bioavailable than the natural version found in food. Folic acid in a balanced diet enables the ingestion of other vital nutrients. By eating a variety of folic acid-rich foods, people may get more folic acid and other nutrients. Balance natural dietary sources with folic acid supplements to optimize nutrition.