RDA ferro mulher adulta

18 mg/dia (19-50a).
Created by
Renato Passos, Eng. de Software
Reviewed by
Renato Passos, Eng. de Software

Last updated: Apr 18, 2026

RDA ferro
18 mg

About this calculator

The RDA (Recommended Dietary Allowance) calculator for iron in adult women is a useful tool to determine the daily recommended amount of this essential micronutrient. The RDA for iron in adult women is 18 mg per day, slightly varying according to age and physiological state. Iron plays a crucial role in oxygen transport through the blood and hemoglobin production.

The formula to calculate the RDA for iron is based on scientific studies and nutritional assessments. For adult women aged 19 to 50, the recommendation is 18 mg of iron per day. It's important to note that pregnant or lactating women may have different needs. Iron is essential for health as it helps prevent anemia and maintains proper bodily functions.

The RDA for iron should be used as a reference to plan a balanced diet. Foods rich in iron include red meats, fish, poultry, legumes, whole grains, and green leafy vegetables. Women with increased iron needs are advised to consult a healthcare professional for personalized guidance.

Care must be taken with iron absorption, as it can be influenced by other nutrients. For example, consuming vitamin C with iron-rich foods can increase absorption, while consuming coffee or tea can decrease it. Therefore, it's essential to consider the overall quality of the diet to ensure adequate iron intake.

Frequently asked questions

What is the RDA for iron in adult women?

The RDA for iron in adult women aged 19 to 50 is 18 mg per day.

Why is iron important?

Iron is essential for oxygen transport through the blood and hemoglobin production, helping to prevent anemia.

Which foods are rich in iron?

Foods rich in iron include red meats, fish, poultry, legumes, whole grains, and green leafy vegetables.

Can iron absorption be influenced by other nutrients?

Yes, iron absorption can be influenced by other nutrients, such as vitamin C, coffee, and tea.

Do pregnant or lactating women have different iron needs?

Yes, pregnant or lactating women may have different iron needs and should consult a healthcare professional for personalized guidance.

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