March 12, 2009 - Harvard, MA - Increased intakes of Calcium and Vitamin D improved insulin levels independent of any dairy ingestion, which indicated Calcium and Vitamin-D may offer separate pathways as a protection against diabetes.
The study reports that women with high intakes of calcium had 20 per cent lower levels of C-peptide, a marker of insulin levels and men with high vitamin D levels had similar results.
In the Journal of Nutrition, Tianying Wu, Walter C. Willett, and Edward Giovannucci from Harvard School of Public Health report that “The results suggest that calcium intake or systemic vitamin D status, after adjustment for intake of dairy products, is associated with decreased insulin secretion”.
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