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Calcium and vitamin D supplements linked to kidney stones
date:Jun 28, 2012
e 800 international units of vitamin D, and 800-1,200 milligrams per day of calcium,warned Gallagher.

Study details

The research team examined 163 healthy, postmenopausal women between the ages of 57 and 85 years.

All participants were randomly assigned to receive a vitamin D supplement of 400, 800, 1600, 2400, 3200, 4000, or 4800 international units a day, or placebo. Calcium intake was then increased from an initial intake of 691 to 1,200-1,400 milligrams per day.

Investigators measured bl

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