Table 1.

Dietary reference values for Calcium from different sources.

	UK (SACN) [15]		USA and Canada (IOM) [15]		FAO/WHO [13]		European (EFSA) [14]
Age	Estimated Average Requirement (mg/day)	Recommended Nutrient Intake	Estimated Average Requirement (mg/day)	Recommended Dietary Allowance (mg/day)	Estimated Average Requirement (mg/day)	Recommended Nutrient Intake	Average Requirement (mg/day)	Population Reference Intake
0–6 month	400	525		200 (AI)	240–300	300–400
6–12 month	400	525		260 (AI)	240–300	300–400		280 (AI)
1–3 year	275	350	500	700		500	390	450
4–6 year	350	450	800	1000	440	600	680	800
7–10 year	425	550	800	1000		1300	680	800
Males
11–14 year	750	1000	1100	1300	1040	1300	960	1150
15–18 year	750	1000	1100	1300	1040	1300	960	1150
19–24 year	525	700	800	1000	840	1000	860	1000
25–50 year	525	700	800	1000	840	1000	750	950
50 year	525	700	800	1000	840	1000/1300	750	950
Females
11–14 year	625	800	1100	1300	1040	1300	960	1150
15–18 year	625	800	1100	1300	1040	1300	960	1150
19–24 year	525	700	800	1000	840	1000	860	1000
25–50 year	525	700	800	1000	840	1000	750	950
50 year	525	700	1000	1200	840	1000	750	950
Pregnancy
14 to 18 year	Same as non-pregnant	Same as non-pregnant	1100	1300	*	*	Same as non-pregnant	Same as non-pregnant
19 and older	Same as non-pregnant	Same as non-pregnant	800	1000	940	1200	Same as non-pregnant	Same as non-pregnant
Lactation	plus 550	plus 550	1100/800	1300/1000	1040	1000	Same as non-lactating	Same as non-lactating

SACN: UK Scientific Advisory Committee on Nutrition. IOM: USA Institute of Medicine. EFSA: European Food Safety Authority; AI: Average Intake. * No data available.