Home > All Links Are Here, Fat - Not Fat Free, Supplements > Dr Briffa : Vitamin D found to promote fat loss and muscle gain in women | Dr Briffa’s Blog – A Good Look at Good Health

Dr Briffa : Vitamin D found to promote fat loss and muscle gain in women | Dr Briffa’s Blog – A Good Look at Good Health

Another example concerns the observation that individuals with low levels of vitamin D tend to be more prone to overweight and obesity. However, some have suggested that this might be because vitamin D tends to get sequestered (stored) in fat, removing it from the circulation and the more fat someone has, the more this tends to happen.

Studies that illuminate the role of vitamin D in health are those in which this substance is given to individuals to see what impact it has on them. Recently, a study was published in which vitamin D was given to a group of 77 overweight and obese women [1]. Half of the women were treated with 1,000 IU each day for 12 weeks, while the other half took a placebo. The vitamin D levels in the group taking this nutrients roughly doubled over the course of the study (an average of 38 nmol/l increasing to an average of 75 nmol/l) while the group taking placebo saw no significant increase.

Body weight was static over the course of the study in both groups, but the effects on body composition were not the same. Specifically, the group taking vitamin D ended up losing an average of 2.7 kg (6 lbs) of fat. At the same time, fat free mass (essentially, muscle) increased by an average of 1.8 kg. In those taking placebo, there was no significant change in fat mass or fat free mass.

via Vitamin D found to promote fat loss and muscle gain in women | Dr Briffa’s Blog – A Good Look at Good Health.

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  1. October 13, 2012 at 7:47 am

    Very interesting. I live in the Pacific Northwest, and our rainy season has just started (we don’t expect to see any sun until June 2013). I typically don’t take vitamins or supplements, but have considered taking vitamin D.

    • Into Ewe
      October 13, 2012 at 8:16 am

      I also live in the Pacific Northwest and lived in the far north for several years. Although I was aware of needing Vitamin D, I was not aware of just how many things it influenced. Now I take 5,000 iu D3 most days other than in the summer.

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