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Study: Vitamin D Supplementation Improves Mood In The Winter Months

March 8, 2010 by  

Study: Vitamin D supplementation improves mood in the winter monthsAccording to a recent study, a daily dose of vitamin D may help people in northern climates better combat the long winter.

Researchers from Loyola University’s Marcella Niehoff School of Nursing (MNSON) found that the nutrient can help lift mood during the winter months when days are short and access to sunlight is at a premium.

"Vitamin D deficiency continues to be a problem despite the nutrient’s widely reported health benefits," said Sue Penckofer, professor at MNSON. "[Northern] winters compound this issue when more people spend time away from sunlight, which is a natural source of vitamin D."

Loyola researchers plan to take their vitamin D study a step further by assessing whether supplementation with the nutrient can improve blood sugar and mood in women suffering from diabetes. They state that there is evidence to suggest that vitamin D may decrease insulin resistance, which has been linked to depression in previous studies.

It has been proven that women tend to have poorer blood sugar control and greater rates of anxiety than men with diabetes.

Recent studies have also found that vitamin D may provide protection from high blood pressure and several autoimmune diseases.
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  • http://vitamind3.blogspot.com/ Ted Hutchinson

    In order for there to be sufficient vitamin D circulating in the blood humans require around 1000iu/daily/D3 for each 25lbs weight.
    A recent LEF study demonstrated 5000iu/daily/D3 only raised average 25(OH)D levels to just over 42ng/ml. Grassrootshealth also in their banner show a graph demonstrating the results of varying intakes of D3.
    Taking your Vitamin D3 with the largest meal of the day may improve absorption.
    Using OIL based gel caps (as shown in the image) is also a sensible idea.
    Grassrootshealth are a charity that also offers postal 25(OH)D testing worldwide. Levels around 60ng/ml allow human breast milk to flow replete with D3 and are associated with least incidence of chronic illness. Up to 10,000iu/daily is considered safe.

  • Kris Schulthies

    I know that anecdotal evidence has no value in scientific statistical studies. But, this is my anecdote. In my universe of two including my wife and I, it would have an r value of 1.00. I have always been plagued with several bouts of colds and/or the flu every year, with most occurring during the winter months. I think I must be overly susceptible to respiratory illnesses. I often wonder that if I had been born before the advent of vaccines for the childhood diseases, I likely wouldn’t have survived past my sixth birthday. I have tried everything from all of the over-the-counter cold medicines to massive amounts of vitamin c, echinecea, herbal teas, homeopathic sugar pills and any other natural remedy out there. About six months ago during the height of the Swing Flu scare, I read an article on Dr. Mercola’s website about vitamin D-3 helping to protect against the Swine Flu along with a host of other afflictions. He called it the “sunshine vitamin.” I immediately went out and purchased a bottle of vitamin D-3 and with my wife started taking about 6000 IU’s per day. Since then I have felt the beginnings of several colds. All but one only lasted for one day. The one that actually got established was only about one fourth as severe as before we started taking D-3. My wife is also much healthier. We are convinced!

  • Fed Up Gal in NM

    Ted / Kris,

    Good Info; thank you both, for taking the time to offer your opinion. I recently started taking Vitamin D3, but only 2,000 IU’s per day. My understanding is Vitamin D is fat soluble, not water soluble…so I still have some concern about liver issues from possibly taking too much. A penny for your thoughts, please. Thank you!

    Fed Up Gal

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