Iron supplements are often given to people who for one reason or another are low levels of iron in the blood. This article seeks to provide some details about what iron is iron deficiency can occur, which may need to take iron supplements to avoid deficiency and iron toxicity risk.
What is iron?
Iron is an essential element that plays a key role in normal human physiology. In humans, iron combines with proteins in the blood and carries oxygen in the blood. It also plays a regulatory role in cell growth and differentiation. When people have iron deficiency (anemia) the oxygen supply to tissues is affected, causing fatigue, confusion, and decreased immunity. But before start and take some iron supplements, take into account the excess iron can lead to iron toxicity and even death.
When produces iron deficiency?
It is estimated WHO (World Health Organization) that iron deficiency is the number 1, disturbance of nutrition in the world, with almost 80% of the world affected. The Iron deficiency occurs when the balance is iron in the body is less than that required by the body to function normally. The waiting process iron is slow because the body first seek to redress the balance by exploring the forms of iron storage in the body. Once the iron storage forms are depleted, the levels of hemoglobin in the blood begin to decrease leading to iron deficiency anemia.
Deficiency anemia may be associated with low amounts of iron are taken through the diet, poor absorption of iron in the gastrointestinal tract, or excessive loss blood. The people most in need of iron such as pregnant women, women of childbearing age, premature or low birth weight, the older infants and young adolescents may be at greater risk of developing iron deficiency anemia. Women tend to have very strong menstrual bleeding during their period also at high risk to develop iron deficiency.
People suffering from certain disorders such as kidney failure, vitamin A deficiency and disorders of the absorption are also open to iron deficiencies. Impairment may lead to iron deficiency, because these people are struggling to sufficient quantities of erythropoietin, a hormone needed to produce red blood cells. Vitamin A is necessary to help them use the stored iron in the body. If you have small amounts of vitamin A, stored iron can not be used. Disorders of absorption is not limited to allowing the body to absorb iron from food is needed to meet the needs the body.
Chronic inflammation caused by an infectious disease, cancer or autoimmune diseases like arthritis can lead to iron deficiency. People with these disorders tend to get enough iron to support normal health if healthy, but these disorders can activate a protein that is responsible for increasing metabolism iron.
Who needs iron supplements?
There are three types of people who may need to take iron supplements. Those who lose more iron, which absorb insufficient amounts of iron and require large amounts of iron. It has been mentioned that pregnant women, women of child fertile, premature babies, children, adolescents, people with kidney failure and those suffering from gastro-intestinal absorption is not a normal amount of iron can benefit from iron supplements. Vegetarians may need to consider iron supplements as vegetarian food can not be sufficient to meet the recommended daily intake iron. Not only that fruits and vegetables have less iron in them amounts to the flesh, but the absorption of iron against iron plant of meat is much more difficult in the human body. In this perspective, a vegetarian will consume more iron, plants just to reach the same level as someone who eats meat.
There is some evidence suggests that men and women participating in regular intense exercise May has adequate iron stores. The three groups of athletes may be at greater risk iron deficiency are female athletes, runners, and vegetarian athletes. These groups must ensure they have sufficient amounts or iron in their diet and take steps to ensure proper absorption in the intestine as having a sufficient amount of vitamin C in their diet.
It is imperative to note that men and women postmenopausal women not to take iron supplements unless expressly invited to do so by your doctor.
What is the risk of iron toxicity?
The risk of iron toxicity can be very high if someone takes iron supplements do not need. In fact, iron is lost through body to a very slow pace. Remember to keep any iron supplements away from children. As little as 200 mg have been reported to kill a child.
The Institute Medicine has established some guidelines on the upper limit of iron intake on a daily basis for adults, children and babies. The upper limit for adults 45mg/day is whether you are pregnant or nursing. The same is true for adolescents 14-18. Babies and children have a maximum recommended dose 40 mg / day. Any healthy person taking over these amounts may be risk of developing iron toxicity. Consider a physician may prescribe higher amounts iron supplementation in these amounts and that these doses are recommended for healthy people.
It was also emphasized in the guidelines Diet for Americans Healthy eating is the goal and that certain foods as the main way to meet our nutrient needs.
About the Author:
Dave Tupniak
www.supplementreviewonline.com
Article Source: ArticlesBase.com – Iron Supplements: a Review
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