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There are several dietary factors that can potentially decrease the absorption of iron in a meal. For instance, foods that contain calcium, such as dairy products, milk, cheese, etc. will interfere with the absorption of iron into the bloodstream.

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How is zinc absorbed in the body and what factors influence its absorption?

Zinc is absorbed in the small intestine through a process called active transport. Factors that influence its absorption include the presence of other minerals like calcium and iron, as well as dietary factors such as phytates and fiber.


What can increase absorption of dietary iron?

Absorption of dietary iron is increased by eating iron-rich foods with vitamin C foods (citrus fruits) and lactic acid (sauerkraut and yogurt). Cooking food in cast-iron pots can also add to their iron content.


Is it true that because the absorption of dietary iron varies greatly the RDA for iron is not adequate for most people?

False


Why is iron not well absorbed from intestinal track?

Iron is not well absorbed from the intestinal tract primarily due to its chemical form and the presence of dietary inhibitors. Non-heme iron, the type found in plant sources, is less bioavailable than heme iron from animal sources. Additionally, factors like phytates, polyphenols, and calcium can hinder iron absorption by binding to it or competing for absorption sites in the gut. The body's regulation of iron absorption also means that excess iron is not readily absorbed to prevent toxicity.


How fast is iron absorbed?

Iron absorption varies based on several factors, including the type of iron consumed and an individual's nutritional status. Heme iron, found in animal products, is typically absorbed more efficiently than non-heme iron from plant sources. Generally, iron absorption occurs within a few hours after ingestion, but overall efficiency can be affected by dietary components such as vitamin C, phytates, and calcium.


What are the causes of iron deficiency in post menopausal women?

Iron deficiency in postmenopausal women can be caused by several factors, including inadequate dietary intake of iron-rich foods, absorption issues related to gastrointestinal conditions, and blood loss from sources like heavy menstruation or gastrointestinal bleeding. Additionally, hormonal changes after menopause can lead to changes in iron metabolism and increased susceptibility to deficiency. Other contributing factors may include chronic diseases and certain medications that affect iron absorption.


What would be the minimum amount of dietary iron known to impair zinc absorption in an individual with a zinc intake of 15 mg?

30 mg


What are the factors that hinder iron absorption?

Several factors can hinder iron absorption, including the presence of phytates found in grains and legumes, which bind to iron and reduce its bioavailability. Additionally, calcium and certain polyphenols found in tea and coffee can inhibit iron absorption when consumed alongside iron-rich foods. High levels of fiber and certain medications may also interfere with iron uptake in the intestines. Finally, the form of iron consumed—non-heme iron from plant sources is less readily absorbed than heme iron from animal sources—plays a significant role in absorption efficiency.


What is the relationship between the iron stores and the percentage of iron absorbed?

The relationship between iron stores and the percentage of iron absorbed is inversely correlated. When iron stores are low, the body increases the absorption of dietary iron to compensate for the deficiency, leading to a higher percentage of iron absorbed. Conversely, when iron stores are sufficient or high, the body reduces absorption, resulting in a lower percentage of iron absorbed. This regulatory mechanism helps maintain iron homeostasis in the body.


What factors reduce iron absorption?

The foods which decrease iron absorption are some soy-based foods, calcium foods, beverages containing caffeine and tannin (do not take within 2 hours of taking iron). Do not use allspice and bayberry spices.


Can I assimilate iron if a boil in water?

Boiling water does not directly affect iron absorption in the body. However, consuming iron-rich foods or supplements with water can aid in the absorption of iron, especially if the water is warm, as it may help with digestion. Additionally, certain compounds in food or beverages can enhance or inhibit iron absorption, so it's important to consider those factors as well.


Does the body replenish iron?

Yes, the body can replenish iron, but it does so at a relatively slow rate. Iron is primarily obtained through dietary sources such as red meat, poultry, fish, beans, and leafy greens. The body regulates iron levels through absorption in the intestines; when iron stores are low, absorption increases. However, excess iron is not easily excreted, which can lead to toxicity if intake is too high.