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The Importance of Vitamin D and Weight Loss

The Importance of Vitamin D

The so-called Sunshine Vitamin (Vitamin D) plays a vital role in physical health and weight loss. Vitamin D is a steroid vitamin, a group of fat-soluble prohormones, which encourages the absorption and metabolism of calcium and phosphorous. This means its basic job is related to bone health. As the body absorbs Vitamin D (from either exposure to sunlight or dietary supplements) it undergoes reactions that transform it to calcitriol.

Calcitriol promotes the absorption of calcium and phosphorus from food. Through normal processes, this allows the increased flow of calcium in the bloodstream. In turn, this helps the normal mineralization of bone. Calcitriol also helps in the maintenance of various organ systems.

A recent study suggests that Vitamin D3 can benefit women who have been treated for breast cancer and are taking a class of drugs known as aromatase inhibitors. These drugs are prescribed for breast cancers that are fueled by estrogen, since they shrink such tumors and reduce the chances of recurrence. While less toxic than chemotherapy, about 50% of women who take them experience musculoskeletal pain, often so intense that they go off the medication. The study found that women who took weekly high-dose Vitamin D3 often found the pain lessened; in some cases it disappeared. Though further study is needed, the data from this research offers promise to breast cancer survivors while helping the medical world further understand the mechanisms of Vitamin D3 in the body. Raising Vitamin D3 levels may also contribute to the success those on a weight-loss program. A University of Minnesota study presented in 2009 at the Endocrine Society's annual meeting in Washington, DC found a correlation between low levels of Vitamin D3 and obesity.

"On average, subjects had vitamin D3 levels that many experts would consider to be in the insufficient range… However, the authors found that baseline, or pre-diet, vitamin D3 levels predicted weight loss in a linear relationship. For every increase of 1 ng/mL in level of 25-hydroxycholecalciferol - the precursor form of vitamin D3 and a commonly used indicator of vitamin D3 status - subjects ended up losing almost a half pound (0.196 kg) more on their calorie-restricted diet. For each 1-ng/mL increase in the active or "hormonal" form of vitamin D (1,25-dihydroxycholecalciferol), subjects lost nearly onequarter pound (0.107 kg) more."ii

Recognizing the importance of the "Sunshine Vitamin", Cortislim® Advanced is now formulated with Vitamin D3 to make health gains and weight loss sunnier than ever.


i Rastelli, A.L. et al. Vitamin D and aromatase inhibitor-induced musculoskeletal symptoms (AIMSS), Breast Cancer Research and Treatment, 129:1, pp 107-116.

ii Reported Aug. 13, 2009 at http://www.medicalnewstoday.com/releases/153669.php

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