Iron is an important mineral that is essential for many basic biological processes in the human body. It helps form hemoglobin, a blood cell protein that helps transport oxygen from the lungs to the tissues, and it supports muscle metabolism and connective tissue health. According to the National Institutes of Health, iron is also a “critical component involved in physical growth, neurological development, cellular functioning, and synthesis of some hormones.”
Iron is essential at every age, from infancy through adulthood, but adequate iron is especially critical for children.
Why Kids Need Iron
Iron is critical at all stages of a child’s growth and development. Iron demand is especially high during early childhood, because it is needed to support brain development, build blood and muscles, create a strong immune system, supply energy, promote growth, and support a child’s overall ability to grow, pay attention, and learn. Unfortunately, iron deficiency is a common problem for many children, with consequences that can range from mild to serious.Iron Deficiency Symptoms
An iron deficiency can stunt or harm a child’s overall growth and development. Low levels of iron can sometimes lead to iron deficiency anemia, which means that the body is not able to produce enough healthy red blood cells to carry oxygen throughout the body. Iron deficiency anemia can impair a child’s ability to function well. Common symptoms might include:- Fatigue and lethargy
- Weakness
- Poor appetite and other gastrointestinal disturbances
- Shortness of breath during exercise
- Irritability and behavior problems
- Slowed growth and development
- Difficulty concentrating
- Irregular, rapid breathing
- Frequent infections and increased susceptibility to illnesses
Risk Factors for Iron Deficiency
Full-term infants are usually born with enough iron for the first four to six months of their lives, at which point they start to need iron from external sources. However, preterm babies, babies with a low birth weight, or babies born to mothers with an iron deficiency are more at risk for an iron deficiency because of the rapid growth they experience after birth. All infants risk becoming iron deficient starting between six and nine months of age, until or unless they add solid foods rich in iron, or formula fortified with iron, to their diet. Infants who drink cow’s milk or goat’s milk before the age of one are more at risk of an iron deficiency. And children between the ages of one and five who consume more than 24 ounces of cow’s milk, goat’s milk, or soy milk a day are also at a higher risk for iron deficiency. Other risk factors for iron deficiency in children include children who:- Have certain health conditions (including Celiac disease, Crohn’s disease, ulcerative colitis, or frequent/severe nosebleeds)
- Experience chronic infections
- Have been exposed to lead
- Do not eat enough foods with iron
- Have certain restrictive diets (such as a vegetarian diet)
- Are overweight or obese