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Most healthy adult females require 18 milligrams of iron per day, while most males need 8 mg daily. Here are some of the main health benefits of consuming iron regularly. More Energy
The recommended adequate intake of sodium is 1,500 milligrams (3.9 g salt) per day, and people over 50 need even less." [13] The Daily Value for potassium, 4,700 mg per day, was based on a study of men who were given 14.6 g of sodium chloride per day and treated with potassium supplements until the frequency of salt sensitivity was reduced to 20%.
Just 1½ cups of Cheerios provides 12.6 mg of iron, about 70% of the daily recommendation, while 1¼ cups of Kellogg’s Special K delivers 10.9 mg of iron, about 60% of the daily value.
The recommended daily intake of iron for both men and women is 8 mg, with an upper limit of 45 mg/day. According to the World Health Organization, hemoglobin levels below 12 g/dl in women and 13 mg/dl in men indicate anemia. [175]
Tolerable upper intake levels (UL), to caution against excessive intake of nutrients (like vitamin A and selenium) that can be harmful in large amounts. This is the highest level of sustained daily nutrient consumption that is considered to be safe for, and cause no side effects in, 97.5% of healthy individuals in each life stage and sex group.
Iron deficiency, or sideropenia, is the state in which a body lacks enough iron to supply its needs. Iron is present in all cells in the human body and has several vital functions, such as carrying oxygen to the tissues from the lungs as a key component of the hemoglobin protein, acting as a transport medium for electrons within the cells in the form of cytochromes, and facilitating oxygen ...
For children, inadequate iron intake, over time, may manifest as poor academic performance. In one study, average math scores were lower for iron-deficient children compared with children with ...
For U.S. food and dietary supplement labeling purposes, the amount in a serving is expressed as a percent of Daily Value (%DV). For iron labeling purposes, 100% of the Daily Value was 18 mg, and as of May 27, 2016 remained unchanged at 18 mg. [173] [174] A table of the old and new adult daily values is provided at Reference Daily Intake.