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Wednesday 7 December 2016

Vitamin D found to help in weight loss

Taking vitamin D supplements has been found to aid weight loss in obese and overweight people who are deficient in the vitamin, research has found.

Previous studies have shown that vitamin D deficiency is associated with developing obesity and the risk of obesity-related complications, scientists at the University of Milan said.

They estimated that in northern Italy, severe vitamin D deficiency ranges from 6pc in overweight people to 30pc-40pc in the morbidly obese.

Almost all obese subjects did not have a vitamin D level in the optimal range.

For the study they recruited 400 obese or overweight adults who were split into three groups: those who took no supplements, those who took 25,000 vitamin D units a month, and those who took 100,000.

Diet

All participants were put on the same balanced, low-calorie diet.

After six months, only those who took 100,000 units a month achieved optimal vitamin D status but a significantly greater weight decrease and reduction in waist circumference was observed in both groups that took the supplements.

Those who took 25,000 units lost an average of 3.8kg, while the figure was 5.4kg for the 100,000 unit group and 1.2kg amongst those who took no supplements.

Those who took 100,000 units lost 5.48cm on average from their waist, those who took 25,000 units reduced by 4cm and those with no supplementation took 3.21cm off.

Beneficial

The study's authors said: "The present data indicate that in obese and overweight people with vitamin D deficiency, vitamin D supplementation aids weight loss and enhances the beneficial effects of a reduced-calorie diet.

"All people affected by obesity should have their levels of vitamin D tested to see if they are deficient, and if so, begin taking supplements."

Another study being presented at this week's European Congress on Obesity in Prague, Czech Republic, found that living at higher altitude was associated with a lower risk of becoming overweight or obese

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