What Is Iron?
What Causes Iron Deficiency?
Today I want to share with you the "What Is Iron?".
Iron is one of the most important minerals for your body. While all human cells contain iron, it is mostly found in red blood cells (RBCs). Iron is needed for your body to produce hemoglobin, which helps the RBCs carry oxygen throughout the body.
Iron Deficiency:
Iron deficiency is one of the most common nutrient deficiencies. Iron deficiency progresses through phases, ultimately resulting in IDA:
The phases of iron deficiency are as follows:
Storage of iron in the body is depleted, resulting in low serum ferritin levels,
The iron supply available for erythrocyte production is low, but blood hemoglobin levels are still normal,
Iron stores are depleted, resulting in anemia with small RBCs and low blood hemoglobin levels.
What Causes Iron Deficiency?
Iron deficiency results from either excessive losses of iron or too little iron in the diet.
Losses may occur through blood loss, reduced absorption, or prolonged exercise (e.g., athletes who compete in marathon running or cycling endurance events). For example, people who menstruate are at a greater risk of iron deficiency and IDA due to blood loss. And iron deficiency is often more prevalent during pregnancy due to the increased demands of a growing fetus.
People with conditions affecting the gastrointestinal (GI) tract or a history of surgeries on the GI tract are at risk of IDA. For example, those with Crohn's disease or who had a gastric bypass (a type of weight-loss surgery) for obesity may be more likely to be iron deficient. This is because they may not be able to absorb adequate amounts of iron. Iron is absorbed in the duodenum and proximal jejunum (the first part of the small intestine that digested food travels through). Also, stomach surgeries may reduce the production of acid in the stomach which is needed for iron absorption.
Sticking to a vegetarian diet can cause an iron deficiency as plant-based sources of iron do not absorb as well as animal sources.
Recommended Dose: Recommended dietary allowance ranges 7-27 milligrams per day depending on age and gender, tolerable upper limit ranges are 40-45 milligrams per day, treatment for iron deficiency anemia is 50-100 milligrams per day divided into separate doses.
What Are the Side Effects of Iron?
Iron supplements can cause nausea, vomiting, and stomach pain.
The most common side effect of iron supplementation is stomach upset and constipation. Adequate fiber and water in the diet may help constipation. Discuss with your healthcare provider if adding a stool softener is a good idea.
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