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DRI DIETARY REFERENCE INTAKES FOR Calcium, Phosphorus, Magnesium, Vitamin D, and Fluoride
TABLE 6-4 Magnesium (Mg) Balance Studies in Men and Women Aged 51 through 70 Years
Author, Year
n
Age (y)
Adaptation Period (d)
Balance Period (d)
Average Daily Mg Intake (mean ± SEM)
Balance (mg/d) (mean ± SEM)
Comments
Males
Kelsay et al., 1979
12
37–58
19
7
356 ± 10 mg
28 ± 17
4.9 g fiber from fruit and vegetable juices; Mg and iron added to be equivalent to higher fiber test diet.
19
7
322 ± 12 mg
−32 ± 10
23.8 g fiber from fruits and vegetables.
Kelsay and Prather, 1983
12
34–58
21
7
308 ± 10 mg
20 ± 14
4.9 ± 0.4 g fiber including spinach.
21
7
350 ± 7 mg
−10 ± 13
26.5 ± 0.6 g fiber with spinach.
21
7
356 ± 10 mg
18 ± 13
24.0 ± 0.6 g fiber with cauliflower substituted for spinach.
