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Estimated energy requirements and recommended dietary allowance of selected nutrients for infants, children, and adolescents

Estimated energy requirements and recommended dietary allowance of selected nutrients for infants, children, and adolescents
Age Energy
(kcal/day)		 Protein
(g/day)		 Total fat
(% of energy)		 Iron
(mg/day)		 Calcium
(mg/day)		 Zinc
(mg/day)
1 to 2 years
Males and females 800 to 1000 13 30 to 40 7 700 3
2 to 3 years
Males 1000 to 1400 13 30 to 40 7 700 3
Females 1000 to 1400 13 30 to 40 7 700 3
4 to 8 years
Males 1200 to 2000 19 25 to 35 10 1000 5
Females 1200 to 1800 19 25 to 35 10 1000 5
9 to 13 years
Males 1600 to 2600 34 25 to 35 8 1300 8
Females 1400 to 2200 34 25 to 35 8 1300 8
14 to 18 years
Males 2000 to 3200 52 25 to 35 11 1300 11
Females 1800 to 2400 46 25 to 35 15 1300 9
Data from:
  1. Institute of Medicine. Dietary Reference Intakes: The Essential Guide to Nutrient Requirements, The National Academies Press 2006.
  2. Institute of Medicine. Dietary Reference Intakes for Calcium and Vitamin D, The National Academies Press 2011.
  3. Institute of Medicine. Dietary Reference Intakes for Energy, Carbohydrate, Fiber, Fat, Fatty Acids, Cholesterol, Protein, and Amino Acids, The National Academies Press 2002.
  4. Appendix 1: Nutritional goals for age-sex groups. In: US Department of Agriculture and US Department of Health and Human Services. Dietary Guidelines for Americans, 2020-2025, 9th ed, 2020. p.131.
  5. Appendix 2: Estimated calorie needs. In: US Department of Agriculture and US Department of Health and Human Services. Dietary Guidelines for Americans, 2020-2025, 9th ed, 2020. p.139.
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