http://www.w3.org/ns/prov#value | - tary allowance of 600 IU to 800 IU of vitamin D and 1,000 mg to 1,300 mg of calcium daily for adults, he added, citing long-term randomized controlled trials, systematic reviews and meta-analyses that support that supplementation with calcium and vitamin D is beneficial for bone health, particularly in post-menopausal women and the elderly, when the diet is not sufficient.
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