Calcium + vit D for breakfast show weight management potential-debate continues

[Guest guest]

Consuming high levels of vitamin D and calcium for breakfast may increase

fat oxidation rates and energy burning during the course of the day, says a

new study from Australia.

According to findings published in *Clinical Nutrition*, a breakfast

containing over 500 milligrams of

calcium<http://www.nutraingredients-usa.com/content/search?SearchText=calcium & Fr\

omNews>and

8.7 micrograms of vitamin

D<http://www.nutraingredients-usa.com/content/search?SearchText=vitamin+D & FromNe\

ws>was

associated with significantly increased fat and energy burning over 24

hours, compared to a breakfast containing 250 milligrams of the mineral and

0.3 micrograms of vitamin D.

*“Overall, the data indicate that dietary calcium and vitamin D

reciprocally modulate both arms of the energy balance equation and hence

would play a role in the regulation of body weight,”* wrote the researchers,

led by Soares from the Curtin University of Technology.

*Dairy or calcium?*

The role of dairy in weight

management<http://www.nutraingredients-usa.com/content/search?SearchText=weight+\

management & FromNews>is

an ongoing area of debate. A relationship between dairy intake and

weight

reduction has been recorded in numerous studies, and dairy industries in

Europe and the US have been promoting milk-based products for consumers who

want to slim for some time. The subject, however, remains controversial.

There are even splits within the dairy camp, with some arguing that calcium

and vitamin D are the active nutrients behind the effects. One of the lead

researchers in this are, Dr Zemel from the University of Tennessee,

has previously said that dairy can help reduce body fat and that calcium

only accounts for about 40 per cent of the effect.

*Study details*

The Perth-based scientists recruited 11 people with an age of 54 and an

average BMI of 31 kg/m2 and randomly assigned them to consume meals

containing low or high calcium meals.

Results showed that the high calcium meal produced a significantly greater

induction of thermogenesis (energy burning) compared with the low calcium

control, while the fat oxidation rate also increased.

The researchers also reported that energy intake over 24 hours was

significantly reduced following the high calcium intervention, with 320 kcal

fewer consumed compared with the low calorie intervention.

* “This study is the first to show an acute decrease in food intake

following a high calcium trial,”* wrote the authors.

*“Mechanistically, [neuropeptide Y (NPY)] increases food intake through a

strong preference for carbohydrate intake and, to some extent, fat intake.

Given the 24 hour time frame of our observations and that circulating leptin

acts to suppress NPY, the inverse relationship of leptin [change] to fat

intake only following [high calcium intake], may have mechanistic

significance. *

*“Overall, the data indicate that calcium and vitamin D regulate energy

expenditure and macronutrient intake,”* they added.

Source: *Clinical Nutrition*

Published online ahead of print, doi: 10.1016/j.clnu.2010.11.006

*“Diet induced thermogenesis, fat oxidation and food intake following

sequential meals: Influence of calcium and vitamin D “*

Authors: W.C.S. Ping-Delfos, M. Soares

LINK<http://www.nutraingredients-usa.com/Research/Calcium-vit-D-for-breakfast-sh\

ow-weight-management-potential/?c=T0QtS5cvuDUuirPRE%2FXCOQ%3D%3D & utm_source=news\

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--

Ortiz, MS, RD

*The FRUGAL Dietitian* <http://www.thefrugaldietitian.com>

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