Diabetic medicine : a journal of the British Diabetic Association
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Review Meta Analysis
Effect of vitamin D supplementation on glycaemic control and insulin resistance: a systematic review and meta-analysis.
To systematically review the evidence for the effect of vitamin D supplementation on glycaemia, insulin resistance, progression to diabetes and complications of diabetes. ⋯ There is currently insufficient evidence of beneficial effect to recommend vitamin D supplementation as a means of improving glycaemia or insulin resistance in patients with diabetes, normal fasting glucose or impaired glucose tolerance.