Need expert help here. what are the symptoms of low iron levels?

No Symptoms: Low iron levels may cause no symptoms at all until the level is low enough to cause anemia. Anemia is associated with fatigue, pale lips, fast heart beat, and cold hands and feet. Most important is to figure out why iron is low. Do you need to eat more iron rich foods? Are you loosing blood? There is a great explanation at http://www.Nhlbi.Nih.Gov/health/health-topics/topics/ida/signs.Html.