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This a vast topic, and sorry for the superficial nature of my answer. Iron is an essential component of hemoglobin. Hemoglobin is a coloured pigment which binds to oxygen and carries it across the body. It binds to oxygen at a place where there is high oxygen tension (for example, lungs) and release it at a place where there is low oxygen tension (such as ...


4

We can't diagnose your friend on the internet; only her doctors can do that. Guesses are good in game shows; in medicine, it helps to have more to base a diagnosis on. You are correct that acute iron toxicity (for example, from children eating iron-containing vitamins because they are candy-like) can result in coma. But to my knowledge (and I have seen and ...


3

Side effects of iron supplements can include: Black stools Constipation Abdominal pain So, these are common side effects that have nothing to do with cancer. In the study described in Medical News Today, they did not confirmed the cause-effect relationship between iron supplements and cancer, because they only found a substance (a marker) that could be ...


2

Ferritin levels of 21 ug/L are on the extreme lower edge of the normal range. You can think about iron stores as follows. A healthy person will have iron stores of a few grams. Since iron is present in every cell of the body, we lose iron via the loss of dead skin cells, mucus, sweat etc. etc. The iron in red blood cells is recycled when they die, so we don'...


2

Iron supplements will only increase your hemoglobin levels if they are low because you lack iron. Ferritin levels are a better indicator of how much iron you have than hemoglobin. If this is the case, animal sources of iron are much more efficient than fruits and vegetables.


2

There has been some concern that iron supplementation early in pregnancy might increase the risk for infections, and hypertension. However, the current Cochrane review of iron and folic acid supplementation does not find this We included 61 randomised trials in the review with 44 trials involving 43,274 pregnant women contributing to the analyses. The ...


1

The summary of 2 small studies (by the same leading author) is that fractional iron absorption (the percent of iron from a given dose absorbed) is greater by 30-50% with supplementation every other day than every day, BUT the total iron absorption in a given period is about the same, so it does not result in a quicker normalization of the iron status. The ...


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