Why the study?
Does short-term vitamin D2 or D3 supplementation improve HbA1c or arterial stiffness in people at risk of type 2 diabetes?
Population
People at risk of type 2 diabetes
Comparison
Short-term supplementation with vitamin D2 or D3 vs Placebo
Design
RCT, Randomized, Double-blind
Follow-up
Short-term
Authors
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Does not support vitamin D for glycemic control; extends evidence for modest vascular stiffness benefit in at-risk patients.
Does short-term vitamin D2 or D3 supplementation improve HbA1c or arterial stiffness in people at risk of type 2 diabetes?
Short-term vitamin D supplementation does not improve glycemic control but may have a beneficial effect on arterial stiffness in patients at risk for type 2 diabetes.
Forouhi et al. (2015) studied this question.
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