Dietary Reference Intakes Iron

It was introduced in 1997 in order to broaden the existing guidelines known as recommended dietary allowances rdas see below the dri values differ from those used in nutrition labeling on food and dietary supplement products in the u s.

Dietary reference intakes iron. Dietary sources of iron. Red blood cells contain the oxygen carrier protein hemoglobin. Dietary reference intakes for iron. 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.

This does not preclude the need for therapeutic iron doses for some individuals on the basis of iron status. It is composed of four globular peptides each containing a heme complex. 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. On the basis of dietary reference intakes an iron supplement of 16 mg d throughout pregnancy is justified as both efficacious and safe for healthy women living in canadian households.

Establishes principles and guidelines of adequate dietary intake. The dietary reference intakes dris are developed and published by the institute of medicine iom. The iom has set tolerable upper intake levels of iron table 11 2 dietary reference intakes for iron. This recommendation relates to breast fed babies.

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. These documents are issued by the food and nutrition board of the institute of medicine national academy of sciences the food and nutrition board addresses issues of safety quality and adequacy of the food supply. A worldwide nutritional health problem. The dietary reference intake dri is a system of nutrition recommendations from the institute of medicine iom of the national academies united states.

The iron in formula is much less. For adults whole body iron losses were modelled using data from us adults. And renders authoritative judgments on the relationships among food intake nutrition and health. Dri is the general term for a set of reference values used for planning and assessing.

The dris represent the most current scientific knowledge on nutrient needs of healthy populations. 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.