RDAs for a given nutrient may vary depending on a person's age, sex, and physical condition (e.g., pregnancy).ĭaily Values (DVs) are used on food and dietary supplement labels to indicate the percent of the recommended daily amount of each nutrient that a serving provides. Recommended Dietary Allowances (RDAs) are the amount of vitamins and minerals needed to provide for adequate nutrition in most healthy persons. The daily amount of iron needed is defined in several different ways. Additional iron may be added to food from cooking in iron pots. Some foods (e.g., milk, eggs, spinach, fiber-containing, coffee, tea) may decrease the amount of nonheme iron absorbed from foods. Foods rich in vitamin C (e.g., citrus fruits and fresh vegetables), eaten with small amounts of heme iron-containing foods, such as meat, may increase the amount of nonheme iron absorbed from cereals, beans, and other vegetables. Cereals, beans, and some vegetables contain poorly absorbed (nonheme) iron. Chicken, turkey, and fish are also sources of iron, but they contain less than red meat.
The best dietary source of absorbable (heme) iron is lean red meat.
Iron is found in the diet in two forms-heme iron, which is well absorbed, and nonheme iron, which is poorly absorbed. If you think that you are not getting enough vitamins and/or minerals in your diet, you may choose to take a dietary supplement. For your specific dietary vitamin and/or mineral needs, ask your health care professional for a list of appropriate foods. Follow carefully any diet program your health care professional may recommend. Importance of Dietįor good health, it is important that you eat a balanced and varied diet. Other forms of iron are available without a prescription however, your health care professional may have special instructions on the proper use and dose for your condition. Injectable iron is administered only by or under the supervision of your health care professional. Increased need for iron supplements should be determined by your health care professional.
In addition, infants, especially those receiving breast milk or low-iron formulas, may need additional iron. Use of medicines to increase your red blood cell count Some conditions may increase your need for iron. Lack of iron may lead to unusual tiredness, shortness of breath, a decrease in physical performance, and learning problems in children and adults, and may increase your chance of getting an infection. Your doctor can determine if you have an iron deficiency, what is causing the deficiency, and if an iron supplement is necessary. For example, iron is sometimes lost with slow or small amounts of bleeding in the body that you would not be aware of and which can only be detected by your doctor.
get enough iron from their diet, some must take additional amounts to meet their needs.
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