Researchers have begun the first definitive, large-scale clinical trial to investigate if a vitamin D supplement helps prevent or delay type 2diabetes in adults who have prediabetes, who are at high risk for developing type 2. Funded by the National Institutes of Health, the study is taking place at about 20 study sites across the United States.
The multiyear Vitamin D and Type 2 Diabetes (D2d) study will include about 2,500 people. Its goal is to learn if vitamin D — specifically D3 (cholecalciferol) — will prevent or delay type 2 diabetes in adults aged 30 or older with prediabetes. People with prediabetes have blood glucose levels that are higher than normal but not high enough to be called diabetes.
“This study aims to definitively answer the question: Can vitamin D reduce the risk of developing type 2 diabetes?” said Myrlene Staten, M.D., D2d project officer at the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), part of NIH. “Vitamin D use has risen sharply in the U.S. in the last 15 years, since it has been suggested as a remedy for a variety of conditions, including prevention of type 2 diabetes. But we need rigorous testing to determine if vitamin D will help prevent diabetes. That’s what D2d will do.” http://www.nih.gov/news/health/oct2013/niddk-21.htm
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