Last updated on February 2018

A New Paradigm for Vitamin D Sufficiency: A 6-month, randomized, double blind, placebo-controlled study to investigate vitamin D status in elderly Caucasian women

Brief description of study

Participation in this study will last approximately 6 months. Up to 260 women will participate in this study. There is a total of 4 visits. Participants will be selected by chance to take either a supplement of vitamin D or placebo (an inactive pill) every day during the study. If their diet does not provide adequate intake of calcium, they will be given dietary instructions for a calcium-rich diet and/or a Calcium pill. Participants must be willing to refrain from the use of self administered vitamin D and calcium supplements during this trial.

Clinical Study Identifier: TX187780

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