Iron Intake Calculator
Calculate Iron Needs
Find your recommended daily iron intake
Formula
RDA: Men = 8 mg, Women (19-50) = 18 mg, Pregnant = 27 mg, Postmenopausal = 8 mg | Upper limit = 45 mg/day
Frequently Asked Questions
How much iron do women need?
Women ages 19-50 need 18 mg/day due to menstrual losses. Pregnant women need 27 mg/day. After menopause (age 51+), the requirement drops to 8 mg/day, the same as men.
What are the symptoms of iron deficiency?
Common symptoms include fatigue, weakness, pale skin, shortness of breath, cold hands and feet, brittle nails, headaches, dizziness, and unusual cravings (pica). Iron deficiency is the most common nutritional deficiency worldwide.
Should I take an iron supplement?
Only take iron supplements if advised by your doctor after a blood test confirms deficiency. Excess iron can be harmful. Most men and postmenopausal women get enough iron from a balanced diet. Pregnant women often need supplementation.
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