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  2. Iron in biology - Wikipedia

    en.wikipedia.org/wiki/Iron_in_biology

    The human body's rate of iron absorption appears to respond to a variety of interdependent factors, including total iron stores, the extent to which the bone marrow is producing new red blood cells, the concentration of hemoglobin in the blood, and the oxygen content of the blood.

  3. Human iron metabolism - Wikipedia

    en.wikipedia.org/wiki/Human_iron_metabolism

    Human iron metabolism is the set of chemical reactions that maintain human homeostasis of iron at the systemic and cellular level. Iron is both necessary to the body and potentially toxic. Controlling iron levels in the body is a critically important part of many aspects of human health and disease.

  4. What Happens to Your Body When You Consume Iron Regularly - AOL

    www.aol.com/happens-body-consume-iron-regularly...

    Iron plays a big role in keeping our bodies energized,” says Alexandria Hardy, RDN, ... What does iron do to the human body? Iron is a vital component of hemoglobin, the protein in red blood ...

  5. Composition of the human body - Wikipedia

    en.wikipedia.org/wiki/Composition_of_the_human_body

    Parts-per-million cube of relative abundance by mass of elements in an average adult human body down to 1 ppm. About 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium ...

  6. 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]

  7. I’m a nutritionist — here’s what you need to know about iron ...

    www.aol.com/m-nutritionist-know-iron-supplements...

    “The body needs iron to make new red blood cells, and to support energy production, the immune system and cognitive function,” Alannah McKay, a sports nutrition postdoctoral research fellow at ...

  8. Doctors Say This Is the Best Time to Take Iron Supplements - AOL

    www.aol.com/doctors-best-time-iron-supplements...

    Once you decide which version of the supplement to take, both Dr. Ghyssaert and Castelli agree that it’s important to know what other factors play a role in how well your body handles the ...

  9. Biometal (biology) - Wikipedia

    en.wikipedia.org/wiki/Biometal_(biology)

    Iron is also the most abundant transition metal in the human body and it is used in various processes like oxygen transport and ATP production. It plays a key role in the function of enzymes like cytochrome a, b and c as well as iron-sulfur complexes which play an important role in ATP production. [13]