how much magnesium does an elderly person need
In the United States, however, the average daily magnesium intake is about 320 mg for men and about 230 mg for women, or 24% and 28%, respectively, below the RDAs. A recent study showed that elderly American men and women consume only about 225 and 166 mg/day of magnesium, respectively, or 46% and 48% below the RDAs.or adults aged 31 or older, the Food and Nutrition Board of the Institute of Medicine has set the Recommended Dietary Allowance (RDA) for magnesium at 420 mg/day for men and 320 mg/day for women (for adults aged 19â30, the figures are 400 and 310, respectively).