Table 4.

Estimated Mean Daily Mineral Intake from Diet Alone and Diet Plus Nutritional Supplements with Comparisons to the Dietary Reference Intakes among All Healthy, Free-Living Senior Volunteers (n = 1740)

Micronutrient (unit)	Dietary Intake Alone		Diet Plus Supplements
	Mean ± SEM	<100% EAR/AI	Mean ± SEM	<100% EAR/AI
Calcium (mg)
Males
51−70 yr	875.4 ± 14.05	82.7	964.0 ± 15.86	75.7‡
71−85 yr	851.6 ± 26.34	83.8	937.6 ± 30.37	77.8
Females
51−70 yr	814.5 ± 25.07	84.6	1131.0 ± 34.76	65.0
71−85 yr	814.4 ± 61.52	88.8	1142.4 ± 85.25	66.3
Phosphorus (mg)
Males
51−70 yr	1342.9 ± 15.69*	2.6‡	1351.7 ± 15.72	2.5‡
71−85 yr	1276.5 ± 28.11	3.4	1283.6 ± 28.11	3.4
Females
51−70 yr	1145.0 ± 25.99	6.4	1163.6 ± 25.99	5.4
71−85 yr	1113.0 ± 57.51	9.0	1128.9 ± 57.28	9.0
Magnesium (mg)
Males
51−70 yr	344.8 ± 3.98	56.5‡	370.5 ± 4.54	50.1‡
71−85 yr	347.6 ± 7.86	55.3	371.0 ± 8.34	47.4
Females
51−70 yr	329.9 ± 7.48	38.1	365.1 ± 8.36	28.6
71−85 yr	326.2 ± 14.29	37.1	359.5 ± 15.67	31.5
Iron (mg)
Males
51−70 yr	14.3 ± 0.18	3.0a‡	20.7 ± 0.40	1.6†‡
71−85 yr	13.8 ± 0.35	3.8a	19.7 ± 0.80	3.8
Females
51−70 yr	11.4 ± 0.25	9.8a	21.5 ± 1.33	6.6
71−85 yr	11.1 ± 0.46	10.1a	19.5 ± 1.40	5.6
Zinc (mg)
Males
51−70 yr	11.3 ± 0.14	42.6a‡	17.7 ± 0.67	29.7‡
71−85 yr	11.7 ± 0.32	41.7a	18.0 ± 1.06	32.0
Females
51−70 yr	10.0 ± 0.21	35.2a	17.0 ± 0.77	23.0
71−85 yr	10.1 ± 0.49	39.3a	17.2 ± 1.45	29.2
Copper (mg)
Males
51−70 yr	1.5 ± 0.02	22.8a†‡	2.0 ± 0.04	18.2
71−85 yr	1.5 ± 0.04	22.2a	2.0 ± 0.07	19.6
Females
51−70 yr	1.4 ± 0.04	29.1a	2.1 ± 0.07	21.0
71−85 yr	1.5 ± 0.07	24.7a	2.1 ± 0.13	19.1

^arecommended levels are ⅔ of the RDA levels (or Estimated Safe and Adequate Intakes) for all micronutrients for which no DRI has been set.

^*means across age groups within gender differ significantly; p < 0.05.

^†percentage not meeting goal amount (100% EAR/AI or ⅔ RDA) differ significantly across age groups within gender, p < 0.05.

^‡percentage not meeting goal amount (100% EAR/AI or ⅔ RDA) differ significantly by gender, p < 0.05.