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Table 1 Dietary Reference Intakes of calcium

From: Calcium affects on vascular endpoints

Life Stage Group

Estimated Average Requirements (mg/day)

Recommended Dietary Allowance (mg/day)

Upper Level Intake (mg/day)

Infants 0-6 months

200

200

1000

Infants 6-12months

260

260

1500

1-3 years

500

700

2500

4-8 years

800

1000

3000

9-13 years

1100

1300

4000

14-18 years

1100

1300

4000

19-30 years

800

1000

4000

31-50 years

800

1000

4000

51-70 years

800

1000

4000

51-70 year old female

1000

1200

4000

71+ year old

1000

1200

4000

14-18 year old pregnant/lactating

1100

1300

4000

19-50 year old pregnant//lactating

800

1000

4000