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Highest EARs and RDA/AIs and lowest ULs for people ages nine years and older, except pregnant or lactating women. ULs for younger children may be lower than RDA/AIs for older people. Females need more iron than males and generally need more nutrients when pregnant or lactating. [10] [11]
The recommended adequate intake of sodium is 1,500 milligrams (3.9 g salt) per day, and people over 50 need even less." [ 13 ] The Daily Value for potassium, 4,700 mg per day, was based on a study of men who were given 14.6 g of sodium chloride per day and treated with potassium supplements until the frequency of salt sensitivity was reduced to ...
For example, for calcium the U.S. Food and Drug Administration set the recommended intake for adults over 70 years at 1,200 mg/day and the UL at 2,000 mg/day. [19] The European Union also sets recommended amounts and upper limits, which are not always in accord with the U.S. [ 20 ] Likewise, Japan, which sets the UL for iodine at 3000 μg ...
Some older women who take calcium supplements commonly recommended to ward off age-related bone damage may face an increased risk of developing dementia.
Calcium supplements may contribute to the development of kidney stones. [1] Acute calcium poisoning is rare, and difficult to achieve without administering calcium intravenously. For example, the oral median lethal dose (LD 50) for rats for calcium carbonate and calcium chloride are 6.45 [22] and 1.4 g/kg, [23] respectively.
Nutritionists and doctors weigh in on the best multivitamins for women over 50, including helpful nutrients to look for and how to pick the best one for you.