A few studies have found that taking iron supplements improved sports performance in those who had slightly low levels of iron. Some studies suggest that iron deficiency, even at levels too low to cause anemia, can cause a lack of energy. Other conditions can also cause fatigue, and taking iron supplements if you don't need them can be dangerous.
If you feel tired and suspect you may have anemia, it's important to see your doctor to get a diagnosis. Treatment for anemia should be directed by your doctor. There is also a type of anemia called anemia of chronic disease, which can occur in people with chronic kidney failure and those undergoing chemotherapy. Anemia can be caused by many conditions, including loss of blood during heavy menstruation, pregnancy, blood donation, bleeding ulcers, chronic heart failure, and surgery (before and after). Iron is important because it is a key component of hemoglobin, which carries oxygen to the entire body.
The most important use of iron supplements is to treat iron deficiency anemia, a condition marked by low levels of iron in the blood. Up to 80% of the world's population may be iron deficient, and 30% may have iron deficiency anemia. For that reason, you should not take iron supplements without asking your doctor if you need extra iron.Īccording to the World Health Organization (WHO), iron deficiency is the number one nutritional disorder in the world. Unlike other nutrients, excess iron cannot be excreted by the human body. On the other hand, too much iron in the body can lead to a condition known as hemochromatosis, which can cause diabetes, liver damage, and discoloration of the skin.
It can also be caused by an iron-poor diet, not absorbing enough dietary iron, pregnancy, and the rapid growth that takes place during infancy, early childhood, and adolescence. It can be caused by blood loss, such as that from a bleeding ulcer, menstruation, severe trauma, surgery, or a malignant tumor. Iron deficiency anemia in children is associated with poor neurodevelopment.
Pregnant women, young women during their reproductive years, and children tend to be at highest risk of iron deficiency. One reason people who are iron deficient get tired easily is because their cells do not get enough oxygen. The most common symptoms of anemia are weakness and fatigue. Not having enough iron can lead to anemia. Extra iron is stored in the liver, bone marrow, spleen, and muscles. Iron is also involved in producing adenosine triphosphate (ATP), the body's energy source. Iron is found in the body's red blood cells, which carry oxygen-rich blood to every cell in the body. Iron is an essential mineral that is required for human life.
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