Egg yolks provide and optimal source of folic acid as well. Even though it is so important to proper functioning of the human organism, folic acid deficiency does occur and can lead to abnormally low levels of red blood cells in the system. This results in anemia. The primary symptoms of folic acid deficiency include extreme fatigue, nausea and lack of apetite. Individuals experiencing deficiency may also have mouth sores and hair loss.
Diarrhea is common.
In infants and children, folic acid deficiency can cause growth retardation. Recommended intakes of folic acid vary, and excessive folic acid is not considered toxic. However the consensus among professionals seems to be anywhere from 100 to 1000 micrograms daily, depending on level of deficiency. Of course, before starting any form of supplementation you should consult your health care practitioner. Learn more about folic acid and its essential role in the human body.