Over a three-year period, a new onset of diabetes occurred in 22.7 percent of participants who received vitamin D, compared to 25 percent of those who received a placebo.
Drawing on these results, the researchers then estimated how vitamin D supplements would impact adults with prediabetes across the globe.
They found “that” cheap vitamin D supplements could delay the development of the blood sugar condition.
Dr Anastassios Pittas, Chief of Endocrinology, Diabetes and Metabolism at Tufts Medical Center, said: “Our results show vitamin D provides a modest benefit in lowering diabetes risk in adults with high-risk prediabetes.
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