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What dietary factors decrease the absorption of iron in a meal?
Jkris008
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.
Wiki User
∙ 10y ago
Wiki User
∙ 14y agoVitamin C and citric acid help the body absorb iron.
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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
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 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.
How might a lack of dietary iron affect the oxygen-carrying capacity of the blood?
Iron is required by the hemoglobin in red blood cells. Hemoglobin carries oxygen to all areas of the body. A lack of dietary iron could decrease the oxygen-carrying capacity of red blood cells, which can lead to anemia.
Does caffeine affect iron absorption?
No, caffeine directly affect the absorption of iron. It is the polyphenol compounds in coffee and tea that negatively affect iron absorption. Drinks containing polyphenol compounds should be avoided at least an hour prior to, and and hour after taking iron supplements or eating foods that contain iron to ensure they do not interfere with iron absorption.
How do you get iron supplement?
Spinach is a source of iron as is liver or apricots. Don't drink tea with a meal as it prevents the absorption of iron. Citrus juice such as OJ with your meal is a way to enhance iron absorption from food.
What is a feature of iron absorption?
Your body automatically increases iron absorption when you have an increased physiological need for iron, for example, in children during rapid growth periods and during pregnancy and lactation. Iron absorption is decreased in people with low stomach acid (hypochlorhydria), a condition that is common in the elderly and those who use antacids frequently. In addition, iron absorption can be decreased by caffeine and by tannins found in coffee and tea. People with healthy iron status need not worry about the impact of tea tannins on their iron absorption. People who are iron deficient, however, should wait at least one hour after a meal before drinking green or black tea. Phosphates found in carbonated soft drinks can also decrease iron absorption. The best way to increase your absorption of iron is to ensure that you consume sufficient vitamin C. A meal that contains about 25 milligrams of vitamin C may as much as double your absorption of iron from that meal. Your body uses copper to help transport iron around your body, and iron-deficiency anemia may sometimes reflect the more basic underlying problem of copper deficiency. Vitamin A may also help improve iron status, and perhaps because of their relationship to stomach acidity levels, so might amino acids and organic acids (like citric acid or malic acid). You may have trouble absorbing iron in the presence of too much calcium (300 milligrams or more). People with high iron requirements might want to avoid taking calcium supplements with meals. Other nutrients that can lower absorption of plant iron include polyphenols (like tannins) and soy proteins. Phytates, found in whole grains, legumes and other seeds, may also decrease iron absorption by forming compounds with the mineral that cannot be absorbed through your digestive tract. Soaking seeds overnight can reduce the phytates in food and increase the absorption of iron. Oxalates, found in spinach and chocolate, may also decrease iron absorption. However, you are still able to absorb helpful amounts of iron from plant foods that contain any or several of these nutrients, and foods like spinach, whole wheat, whole grain rice, soybeans, and other legumes are still very much worth eating, even when iron absorption from these foods is less than 100%. Much of the iron in whole grains is found in the bran and germ. As a result, the milling of grain, which removes the bran and germ, eliminates about 75% of the naturally occurring iron in whole grains. Refined grains are often fortified with iron, but the added iron is less absorbable than the iron that naturally occurs in the grain. Cooking with iron cookware will also add iron to food.
What are the possible drug interactions associated with feverfew use?
May interact with anti-thrombotic medications, e.g. aspirin and warfarin. Interfers with iron absorption in those who take iron supplements. NSAIDS will decrease the beneficial effects of feverfew.
Dietary heme iron is derived from?
vegetables
Does vitamin c impair iron absorption?
NO
Vitamin C helps in the absorption of?
iron
