1. Calcium, Protein, and Vitamin D Recommended Daily Intakes by Age
Age 2–3 Years
Age 4–8 Years
Age 9–13 Years
Age 14–18 Years
Calcium (mg)
500
800
1300
Protein (g) 13 20 35 50
Vitamin Da (IU)
400
a400 IU of vitamin D also is recommended for infants.
USDA/ARS Children’s Nutrition Research Center at Baylor College of Medicine. Available at: Accessed on: August 14, 2009
Wagner CL, et al. Pediatrics. 2008;122:

2. Calcium Recommended Daily Intakes and Food Sources
Age 2–3 Years
Age 4–8 Years
Age 9–13 Years
Age 14–18 Years
Calcium
(mg/d)
500
800
1300
Some food sources:
Yogurt, plain, lowfat, 8 oz = 415 mg
Cheddar cheese, 1.5 oz = 306 mg
Milk, lowfat, 8 oz = 297 mg
Orange juice, fortified, 6 oz = 200–260 mg
Salmon (canned, w/bone), 3 oz = 181 mg
Spinach, cooked, 1/2 cup = 120 mg
Cereal, fortified, 1 cup = 100–1000 mg
Kale, cooked, 1 cup = 94 mg
Ice cream, vanilla, 1/2 cup = 85 mg
Corn tortilla, 1 medium = 42 mg
Broccoli, raw, 1/2 cup = 21 mg
Cream cheese, regular, 1 tbsp = 12 mg
Dietary Supplement Fact Sheet: Calcium. Office of Dietary Supplements, National Institutes of Health. Available at: Accessed on: August 14, 2009

3. Protein Recommended Daily Intakes and Food Sources
Age 2–3 Years
Age 4–8 Years
Age 9–13 Years
Age 14–18 Years
Protein
(g/d) 13 20 35 50
Some food sources:
Salmon, cooked, 6 oz = 34 g
Lean beef, cooked, 3 oz = 30 g
Lentils, cooked, 1 cup = 18 g
Milk, nonfat, reduced fat, and whole, 1 cup = 8 g
USDA/ARS Children’s Nutrition Research Center at Baylor College of Medicine. Available at: Accessed on: August 14, 2009
Harvard School of Public Health. Protein: moving closer to center stage. Available at: Accessed on: August 12, 2009.

4. Vitamin D Recommended Daily Intake and Food Sources
Infants, Children, and Adolescents
Vitamin D
(IU/d)
400
Infants, children, and adolescents who do not obtain 400 IU/day vitamin D through diet should take a 400 IU/day vitamin D supplement, according to recent recommendations issued by the American Academy of Pediatrics.
Some food sources:
Cod liver oil, 1 tbsp = 1360 IU
Salmon, cooked, 3.5 oz = 360 IU
Tuna, canned in oil, 3 oz = 200 IU
Milk, fortified, nonfat, reduced fat, and whole, 1 cup = 98 IU
Margarine, fortified, 1 tbsp = 60 IU
Egg, 1 whole (vitamin D in yolk) = 20 IU
Liver (beef), cooked, 3.5 oz = 15 IU
Wagner CL, et al. Pediatrics. 2008;122: Dietary Supplement Fact Sheet: Vitamin D. Office of Dietary Supplements, National Institutes of Health. Available at: Accessed on: August 14, 2009.