Calcium Requirements

Calcium is a vital nutrient for bone health, muscle contraction, nerve transmission, blood clotting and much more. Calcium requirements vary by age as indicated below!

Daily Requirements Chart - Calcium and Vitamin-D — Daily Requirements by Age - Calcium and Vitamin-D

Age Calcium Vitamin D

4 - 8 years old 800 mg/day 200 IU/day

9 - 18 years old 1300 mg/day 200 IU/day

19 - 50 years old 1000 mg/day 200 IU/day

51 - 70 years old 1200 mg/day 400 IU/day

70+ years old 1200 mg/day 600 IU/day

Daily Requirements by Age - Calcium and Vitamin-D
Age	Calcium	Vitamin D
4 - 8 years old	800 mg/day	200 IU/day
9 - 18 years old	1300 mg/day	200 IU/day
19 - 50 years old	1000 mg/day	200 IU/day
51 - 70 years old	1200 mg/day	400 IU/day
70+ years old	1200 mg/day	600 IU/day

*Calcium: U.S. Surgeon General Report

**Vitamin D: National Institutes of Health Office of Dietary Supplements