An insufficiency of iron in the blood can result an anemia, responsible ius considerable fatigue.
In women, anemia is a recurrent occurrence because of the menstrual cycle.
When there is anemia the red blood cells, which thanks to the iron producing hemoglobin are the usual transporters and suppliers of oxygen to the various body compartments, tissues and organs, make this resource lacking causing fatigue throughout the body.
When the cause of anemia is iron deficiency, fatigue can be eradicated with the help of iron-rich foods and dietary supplements.