Effects of vitamin D and calcium supplementation on pancreatic β cell function, insulin sensitivity, and glycemia in adults at high risk of diabetes: the Calcium and Vitamin D for Diabetes Mellitus (CaDDM) randomized controlled trial1234
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From the Division of Endocrinology, Diabetes, and Metabolism, Tufts Medical Center, Boston, MA (JM, BD-H, and AGP); the Bone Metabolism Laboratory, Jean Mayer US Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, MA (BD-H); the Departments of Nutrition and Epidemiology, Harvard School of Public Health, Boston, MA (FBH); and the Channing Laboratory, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA (FBH).
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The contents of the article are solely the responsibility of the authors and do not necessarily represent the official views of the National Institutes of Health, the US Department of Agriculture, or the Endocrine Fellows Foundation.
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Supported by the National Institutes of Health [NIH; research grant R01DK76092 (to AGP) funded by the National Institute of Diabetes and Digestive and Kidney Disease and the NIH Office of Dietary Supplements], the National Center for Research Resources (UL1 RR025752; to Tufts Medical Center), the US Department of Agriculture (Cooperative Agreement no. 58-1950-4-401; to BDH), and an Endocrine Fellows Foundation grant (to JM). Calcium carbonate pills and matching placebos were donated by GlaxoSmith-Kline (Parsippany, NJ).
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Address reprint requests and correspondence to AG Pittas, Division of Endocrinology, Diabetes, and Metabolism, Tufts Medical Center, Box 268, 800 Washington Street, #268, Boston, MA 02111. E-mail: [email protected].