vitamins deficiency symptoms

Iron deficiency symptoms

Iron has several vitally important roles in the body. Iron is needed for the synthesis of DNA. This synthesis of DNA is vital to support growth, healing, reproduction, and immune function. Iron is also required by enzymes involved in synthesizing collagen, neurotransmitters, and hormones.
iron-deficiencySymptoms of iron deficiency anemia are usually a result of inadequate oxygen delivery.
Symptoms of iron deficiency include fatigue, rapid heart rate, reduced work capacity, and rapid breathing upon exertion.
Iron deficiency can also limit the ability to maintain body temperature in cold conditions.

Both hemoglobin in blood and myoglobin in muscles become depleted. Lack of iron may also limit the creation of energy in the electron transport chain. This may lead to more anaerobic energy production resulting in excess lactic acid and fatigue. Severe iron deficiency symptom – anemia can result in spoon-shaped, brittle nails, taste bud atrophy, and mouth sores.
Lack of sufficient iron in early childhood can contribute to problems with learning, memory, and behavior.

Supplementation may prevent further problems, but may not correct existing iron deficiency problems. Iron deficiency has been found to increase the intestinal absorption of lead, which contributes to learning and memory problems.

Who are at Risk of Iron Deficiency

  • Infants under one year of age drinking cow’s milk
  • Children aged six months to four years
  • Adolescent girls
  • Pregnant women in the last trimester
  • Those with blood loss including blood donors
  • Athletes

Heme iron is found only in meat, poultry, and fish. Heme iron is not found in other food; even dairy products and eggs have no heme iron. The other type of iron in food is called non-heme iron. Non-heme iron makes up about 90 percent of the iron in most diets. Non-heme iron is widely distributed in many foods. Good sources include green leafy vegetables, dried fruit, blackstrap molasses, nuts and seeds, and fortified grains.
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