October 1997 Issue

Too Much Vitamin D as Bad for Bones as Too Little

Taking too many dietary supplements may cause bone loss due to unintentional vitamin D toxicity, say researchers at Cedars-Sinai Bone Center in Los Angeles, even though vitamin D, at the recommended levels, helps the body absorb calcium. Of 39 people evaluated for osteoporosis at the center, four had tab values indicating abnormal calcium balance. They were taking an average of 4.6 supplements a day for at least six months, including multivitamins, calcium and

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