Vitamin D is known to have effects on insulin sensitivity. Vitamin D deficiency has been associated with type 2 diabetes.
A new study sought to assess the effects of high-dose vitamin D3 on insulin sensitivity in subjects with vitamin D deficiency and impaired fasting glucose.
According to the study, as reprinted on the website Green Med Info:
“... [T]he results indicate that ... high-dose vitamin D3 supplementation improves insulin sensitivity in subjects with impaired fasting glucose and suggests that high-dose vitamin D3 supplementation might provide an inexpensive public health measure in preventing, or at least delaying, the progression from impaired fasting glucose to diabetes.”