A new paradigm shift has already begun to take place in the medical nutrition world recently in regard to vitamin use and more specifically, Vitamin D. We used to think of its use mostly for the treatment of bone disease, however, new light has been shed on its function in assisting glucose control, insulin resistance, increased body weight, high body fat, the brains control of hunger, and perhaps the biggest surprise...reducing the risk of type 2 diabetes.
Vitamin D sends signals via a hormone made in fat cells to the brain centers that tells your stomach to stop eating. This satiety signal is what gives you the urge to stop eating a meal. The hormone that does the actual signaling is called Leptin. Studies at Aberdeen University in Scotland show those with low vitamin D have low Leptin. Those also with low vitamin D had less control of eating and higher obesity. This may be due to more obese subjects body mass that over absorbs vitamin D in body fat , so less availability of active vitamin D is in the blood.
A Canadian study showed that women with normal vitamin D levels had lower obesity rates as well. According to a Norweigian study more obese people may have less of a potential to convert inactive forms of vitamin D to active vitamin D thus causing an increased risk in obesity.
But, vitamin D seems to help the release of insulin the hormone that helps regulate absorption of glucose and helps balance fat.
As vitamin D helps you lose weight, the weight loss will turn back to help you improve vitamin D production.
It appears that vitamin D helps restore sugar balance, fat balance, helps control hunger, helps lose weight and reduces risk of type 2 diabetes.
This means the connection of insulin resistance( risk of type 2 diabetes), high blood sugar, high triglyderide fat, obesity and high blood sugar , all together which are known as the Cardio-Metabolic Syndrome could possibly be reduced with the use of vitamin D being present in one's diet.
Dr. Helen Macdonald, Aberdene University Dept. of Medicine and Therapeutics
Vitamin D Status of Women Living at Higher Latitudes in the UK in Relation to Bone Health, Overweight, Sunlight exposure and Dietary Vitamin D. Bone , 2008