Foods to Avoid With Anemia

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Foods to Avoid With Anemia (Image: DariaZu/iStock/GettyImages)

Anemia describes a condition in which red blood cells are less able to carry oxygen around the body. There are several different types of anemia, caused either by a deficiency of one or more nutrients such as iron, vitamin B-12 or folate (also known as folic acid) says NHS; by a genetic blood disorder called sickle cell anemia; or by an underlying malady such as kidney disease.

Common anemia symptoms include fatigue, dizziness and breathlessness explains WomensHealth.gov. Absorption of iron and folic acid can be affected by the foods you eat, so certain foods should be avoided with these types of anemia.

Avoid Tannins

Tannins are naturally occurring substances found in many plant-based foods, and they are what give these foods an astringent taste. They are found in black, green and rooibos tea; coffee; grapes and wine; sorghum and corn.

They can interfere with nonheme iron absorption from plant sources such as beans, legumes, spinach and other dark-green leafy vegetables, according to Cornell University. If you are suffering from iron-deficiency anemia, foods to avoid should be anything containing tannins.

Be Aware of Gluten

For those diagnosed with celiac disease, an inherited autoimmune disorder, eating gluten could damage the intestinal wall, preventing nutrients like folate and iron from being properly absorbed warns the University of Chicago Medicine.

If left untreated, this malabsorption can lead to anemia. Gluten is found in wheat, barley, rye, oats and foods made from these grains. You only need to avoid gluten, though, if you have been diagnosed with celiac or have an allergy or insensitivity to the protein.

Know Your Phytates

Phytates, or phytic acid, is generally found in foods with high fiber content such as whole-grain wheat, legumes, nuts and brown rice. Refined versions of these foods such as white rice or white flour have had the bran removed and therefore contain less phytic acid. Phytates bind with iron in the digestive system, inhibiting its absorption.

According to Linus Pauling Institute, as little as 5-10 mg of phytates can inhibited iron absorption by 50 percent, but suggest that soaking foods containing phytates before cooking can help remove or degrade phytic acid.

Avoid Calcium With Iron

Calcium can interfere with iron absorption, so consuming calcium-containing foods with iron-containing foods will affect how much iron you absorb. For this reason, your diet for anemia should be modified to have calcium-containing foods at different times from sources of iron. For example, beef, beans and lentils shouldn't be eaten with milk, cheese and yogurt.

Other Inhibitors of Iron

Zinc is necessary for folate to be absorbed properly, so obtaining adequate folate in your diet is essential with folate-related anemia. Good sources include oysters, liver, meat, eggs and legumes.

Vitamin C helps convert the nonheme iron in vegetables into a usable form, so consuming foods high in vitamin C, such as citrus fruit juice, asparagus and bell peppers, with nonheme iron will aid absorption.

Caffeine and anemia often go hand-in-hand if you consume a lot of coffee so limit your intake to avoid restricting your iron absorption. Finally, long-term alcohol intake can inhibit folate absorption and the proper functioning of iron, so reducing or avoiding alcohol intake can improve both these types of anemia says Alcohol Health and Research World.

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