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July 25, 2011

Vitamin D Deficiency Linked to Diabetes

Topics: Health Issues


Australia's The Age reports:

[...] The largest study of its kind found that people with higher levels of vitamin D in their blood were less likely to develop type 2 diabetes than those with lower levels. It could lead to at-risk patients using vitamin D supplements along with diet and exercise to stop the development of the potentially deadly condition.

The study's co-author, Ken Sikaris, a pathologist at Melbourne Pathology, said the research could play a big role in slowing increasing rates of diabetes in Australia.

"It's hard to underestimate how important this might be," Dr Sikaris said.

Between a third and a fifth of the Australian population could be vitamin D deficient, with rates highest in the southern states which received less sunlight, he said.

The research, which tested the blood of 5200 people, found every increase of 25 nanomoles of vitamin D per litre of blood (nmol/L) equated to a 24 per cent reduced risk of diabetes, said another co-author, Zhong Lu, a pathologist at Monash Medical Centre and Melbourne Pathology.

People with a level of vitamin D in their blood that is less than 50 nmol/L are deficient, although some experts believe the threshold for deficiency should be set higher.

Read more.

As we've previously noted several times, in order to get high levels of vitamin D one needs to take a supplement. As for which supplement to use, vitamin D3 (cholecalciferol) is the recommended form (actually, it is the ONLY properly recommended form). There are 5 forms of vitamin D. The two major forms are vitamin D2 (ergocalciferol) and D3 (cholecalciferol - the kind you get when you fill a doctor's prescription for it at the pharmacy). Both forms are present in human nutritional supplements. When our skin comes into contact with UVB radiation, it synthesizes only vitamin D3. Both of these forms are prohormones, precursors to the vitamin D hormone that goes on to perform all of the beneficial processes that have been mentioned. However, the vitamin D3 form is about 3 times more effective at creating the vitamin D hormone and its duration of action is longer than the D2 form. So supplementing with vitamin D3 would be the much wiser choice.

Study Finds High Vitamin D Levels May Lower Macular Degeneration Risk
Low Vitamin D Levels Linked To Poor Physical Performance In Older Adults: Role Of Vitamin D In Cancer Treatment
Vitamin D gaining importance in cancer
Vitamin D Vital for the Heart

Posted by Richard at July 25, 2011 11:29 AM

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