Dietary Reference Intakes For Iron

For adults whole body iron losses were modelled using data from us adults.
Dietary reference intakes for iron. The iom has set tolerable upper intake levels of iron table 11 2 dietary reference intakes for iron. Intake recommendations for iron and other nutrients are provided in the dietary reference intakes dris developed by the food and nutrition board fnb at the institute of medicine iom of the national academies formerly national academy of sciences. Red blood cells contain the oxygen carrier protein hemoglobin.
Table 1 dietary reference intakes for iron by life stage group dri values mg day eara rdab aic uld males females males females life stage group 0 through 6 mo 0 27 40 7 through 12 mo 6 9 6 9 11 11 40 1 through 3 y 3 0 3 0 7 7 40 4 through 8 y 4 1 4 1 10 10 40 9 through 13 y 5 9 5 7 8 8 40 14 through 18 y 7 7 7 9 11 15 45 19 through 30 y 6 0 8. Dietary sources of iron. Dietary intake modeling was undertaken to determine an amount of iron supplementation that would confer acceptably low prevalence of apparently inadequate and apparently excessive intakes.
Predicted absorption values at a serum ferritin concentration of 30 µg l of 16 for men and 18 for women were used to convert physiological requirements to dietary iron intakes. Dri is the general term for a set of reference values used for planning and assessing. This recommendation relates to breast fed babies.
The iron in formula is much less. A worldwide nutritional health problem. Mostly a hereditary disease hemochromatosis is the result of a genetic mutation that leads to abnormal iron metabolism and an accumulation of iron in certain tissues such as the liver pancreas and heart.
The ai for 0 6 months was calculated by multiplying the average intake of breast milk 0 78 l day by the average concentration of iron in breast milk 0 26 mg l and rounding butte et al 1987 dewey lonnerdal 1983 lipsman et al 1985 picciano guthrie 1976 vaughan et al 1979. It is composed of four globular peptides each containing a heme complex.