To find the daily recommended intake of iron, we need to use one of the Recommended Dietary Allowances (RDA) tables of the National Institutes of Health (NIH). Age Male Female Birth to 6 months 0.27 mg 0.27 mg 7–12 months 11 mg 11 mg 1–3 years 7 mg 7 mg 4–8 years 10 mg 10 mg 9–13 years 8 mg 8 mg 14–18 years 11 mg 15 mg 19–50 years 8 mg 18 mg 51+ years 8 mg 8 mg  These amounts are a bit different for pregnant or lactating women: Age Pregnant Lactating 14–18 years 27 mg 10 mg 19–50 years 27 mg 9 mg Read more