Normal Glucose Metabolism Linked to Vitamin D Cut Point
More vitamin D evidence for good health
April 22, 2014 Women with a blood vitamin-D concentration at or above a 25-hydroxyvitamin D (vitamin D) level of about 26 ng/mL, needed for normal glucose metabolism in postmenopausal women, had lower body fat, blood glucose, insulin, and triglyceride levels than women with lower levels of vitamin D, suggests an observational study.
Sorkin JD. et al "Evidence for threshold effects of 25-hydroxyvitamin d on glucose tolerance and insulin resistance in black and white obese postmenopausal women" J Nutr. 2014 May;144(5):734-42
In lipid science, the nutrient called Vitamin D is a group of fat-soluble secosteroids that act as a prohormone. Exogenous Vitamin D undergoes two hydroxylation reactions to be activated in the body.
Vitamin D was discovered (1920's) when it was noted that children with rickets were improved by exposure to sunlight, later it was shown that vitamin D3 (cholecalciferol) is synthesized in the skin under the influence of ultraviolet light.
In our diet and our body, the term vitamin D refers generally to all forms of Vitamin D, Vitamin D metabolites and Vitamin D analogues. !!!
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