TABLE 1.

Current Calcium Intake Requirements

European Union 1993 Population Reference Intake, mg/dUK 1991 Reference Nutrient Intake, mg/dAustralia 1991 Recommended Dietary Intake, mg/dUS and Canada 1997 Adequate Intake, mg/d
Infancy400525300 (human)210–270
500 (cow)
Childhood400–550350–550530–800500–800
Puberty and adolescence
    Boys100010001000–12001300
    Girls800800800–10001300
Adulthood
    Male7008008001000
    Female7008008001000
    Pregnancy70070011001000–1300
    Lactation1200125012001000–1300
Later adulthood
    Men >65 y7007008001200
    Postmenopausal women70070010001200
  • Source: Report of the Joint Food and Agriculture Organization of the United Nations/World Food Organization of the United Nations Expert Consultation on Human Vitamin and Mineral Requirements, September 1998. Available at: ftp://ftp.fao.org/es/esn/nutrition/Vitrni/vitrni.html.