Elemental iron

Definition

Elemental iron is the amount of pure iron available for absorption in dietary supplements and foods. It is crucial for the production of hemoglobin and red blood cells, impacting overall hematologic health.

5 Must Know Facts For Your Next Test

1. Elemental iron is essential for preventing and treating iron deficiency anemia.
2. The bioavailability of elemental iron varies depending on its form, such as ferrous sulfate or ferric citrate.
3. Dietary sources of elemental iron include red meat, poultry, fish, lentils, and fortified cereals.
4. Vitamin C enhances the absorption of elemental iron from plant-based sources.
5. Excessive intake of elemental iron can lead to toxicity symptoms like nausea, vomiting, and organ damage.

Review Questions

• Why is elemental iron important in the production of hemoglobin?
• How does vitamin C affect the absorption of elemental iron?
• What are potential side effects of excessive intake of elemental iron?

Related terms

Hemoglobin: A protein in red blood cells that carries oxygen throughout the body.

Iron Deficiency Anemia: A condition characterized by a lack of enough healthy red blood cells due to insufficient iron.

Bioavailability: The degree and rate at which a substance (such as a drug or nutrient) is absorbed into the bloodstream.