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  2. Nutritional anemia - Wikipedia

    en.wikipedia.org/wiki/Nutritional_anemia

    Nutritional causes are vitamin and mineral deficiencies and non-nutritional causes include infections. The number one cause of this type of anemia, however, is iron deficiency. [12] An insufficient intake of iron, Vitamin B12, and folic acid impairs the bone marrow function. The lack of iron within a person's body can also stem from ulcer bacteria.

  3. Trace metal - Wikipedia

    en.wikipedia.org/wiki/Trace_metal

    Roughly 5 grams of iron are present in the human body and is the most abundant trace metal. [1] It is absorbed in the intestine as heme or non-heme iron depending on the food source. Heme iron is derived from the digestion of hemoproteins in meat. [4] Non-heme iron is mainly derived from plants and exist as iron(II) or iron(III) ions. [4]

  4. Heme - Wikipedia

    en.wikipedia.org/wiki/Heme

    Heme (American English), or haem (Commonwealth English, both pronounced /hi:m/ HEEM), is a ring-shaped iron-containing molecular component of hemoglobin, which is necessary to bind oxygen in the bloodstream. It is composed of four pyrrole rings with 2 vinyl and 2 propionic acid side chains. [1] Heme is biosynthesized in both the bone marrow and ...

  5. Human iron metabolism - Wikipedia

    en.wikipedia.org/wiki/Human_iron_metabolism

    Absorption of dietary iron in iron salt form (as in most supplements) varies somewhat according to the body's need for iron, and is usually between 10% and 20% of iron intake. Absorption of iron from animal products, and some plant products, is in the form of heme iron, and is more efficient, allowing absorption of from 15% to 35% of intake.

  6. Non-heme iron protein - Wikipedia

    en.wikipedia.org/wiki/Non-heme_iron_protein

    In biochemistry, non-heme iron proteins describe families of enzymes that utilize iron at the active site but lack heme cofactors. Iron-sulfur proteins, including those that are enzymes, are not included in this definition. Some non-heme iron proteins contain one Fe at their active sites, others have pairs of Fe centers:

  7. Iron in biology - Wikipedia

    en.wikipedia.org/wiki/Iron_in_biology

    Absorption of dietary iron in iron salt form (as in most supplements) varies somewhat according to the body's need for iron, and is usually between 10% and 20% of iron intake. Absorption of iron from animal products, and some plant products, is in the form of heme iron, and is more efficient, allowing absorption of from 15% to 35% of intake.

  8. Heme iron found in red meat, animal products may raise ... - AOL

    www.aol.com/lifestyle/heme-iron-found-red-meat...

    Researchers found that those who consumed the highest amount of heme iron, which is found in red meat and animal products, had a 26% higher risk of developing type 2 diabetes.

  9. Iron overload - Wikipedia

    en.wikipedia.org/wiki/Iron_overload

    The human diet contains iron in two forms: heme iron and non-heme iron. Heme iron is usually found in red meat, whereas non-heme iron is found in plant based sources. Heme iron is the most easily absorbed form of iron. In those with hemochromatosis undergoing phlebotomy for treatment; restriction of dietary iron is not required.