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1. Iron Element Differences
Population
Daily Recommended Intake
Women of childbearing age (18-50 years)
18mg
Adult men (19-50 years)
8mg
Pregnant women
27mg
Women need iron supplementation due to menstrual blood loss; men should avoid routine iron supplementation unless iron deficiency is diagnosed
Vitamin C can promote iron absorption by 2-3 times
2. Calcium Requirements Differences
Population
Daily Recommended Intake
Adolescents (9-18 years)
1300mg
Adulthood (19-50 years)
1000mg
Post-menopausal women (51+ years)
1200mg
Elderly men (71+ years)
1200mg
Women’s bone density peaks at age 30 then declines, recommend ensuring adequate calcium intake from age 25
Combine with vitamin D (600-800IU/day) to promote absorption
3. Folate Supplementation Guide
Women planning pregnancy: Start supplementing 400μg/day 3 months before pregnancy
