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October 17, 2001

Ipriflavone and Osteoporosis—Reply

Author Affiliations

Stephen J.LurieMD, PhD, Senior EditorIndividualAuthorJody W.ZylkeMD, Contributing EditorIndividualAuthor

JAMA. 2001;286(15):1836-1837. doi:10.1001/jama.286.15.1833

In Reply: We provided a daily calcium supplement of 500 mg, but this was in addition to the habitual calcium intake in Denmark of 800 to 1000 mg/d.1 This gives a total daily calcium intake close to the 1500 mg suggested by Drs Schelonka and Usher to be optimal for women with osteoporosis. A calcium supplement of 500 mg/d is customary in studies of osteoporosis.2,3