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Vegetarian
Dried beans and dark green leafy vegetables are especially good sources of iron, even better on a per calorie basis than meat. Iron absorption is increased markedly by eating foods containing vitamin C along with foods containing iron. Vegetarians do not have a higher incidence of iron deficiency than do meat eaters.
Heme vs. Non-heme Iron
Iron is an essential nutrient because it is a central part of hemoglobin, which carries oxygen in the blood. Iron deficiency anemia is a worldwide health problem that is especially common in young women and in children.
Iron is found in food in two forms, heme and non-heme iron. Heme iron, which makes up 40 percent of the iron in meat, poultry, and fish, is well absorbed. Non-heme iron, 60 percent of the iron in animal tissue and all the iron in plants (fruits, vegetables, grains, nuts) is less well absorbed. Vegan diets only contain non-heme iron. Because of this, iron recommendations are higher for vegetarians (including vegans) than for non-vegetarians. The RDA for iron is 14 milligrams per day for vegetarian men and for women after menopause, and 33 milligrams per day for women prior to menopause 1.
