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Has any research been done in to the effect of vitamin D on appetite and over eating when deficient. I want to eat a lot less on sunny days and have found that when I become deficient in vitamin D I overeat

Asked by  joye0712@hotmail.co.uk on October 14, 2014

  •  joye0712@hotmail.co.uk on

    See title

    Answered by  joye0712@hotmail.co.uk on
  •  Amber Tovey on

    There has not been much research investigating the effects of vitamin D on appetite. According to Michael Holick’s book, “The Vitamin D Solution,” a lack of vitamin D interferes with leptin, an appetite suppressing hormone. This potentially would lead to an unregulated appetite and over-eating.

    Though, one study found that vitamin D and leptin were inversely associated. In other words, when vitamin D levels were high, leptin levels were low.

    A possible explanation for these findings would be that fat tissue is the major predictor of leptin secretion, rather than vitamin D status. Leptin is secreted from fat. Since vitamin D status and BMI have been shown to be inversely associated, this may mean that a person with a high BMI would have high leptin levels and low vitamin D levels.

    More research is needed to fully understand the effects of vitamin D on appetite.

    Maetani M. et al. Association of leptin, 25-hydroxyvitamin D, and parathyroid hormone in women. Nutrition and Cancer, 2009.

    Answered by  Amber Tovey on
  •  rhennessey@outlook.com on

    Sunlight also produces melacyte (sp?) stimulating hormone in conjunction with D. Melacyte Stimulating hormone reduces appetite and increases sex drive. There is a long list of beneficial hormones and peptides that work in conjunction with the body producing D when it comes from the sun. I think if you can get it safely, sunlight may be the best help. I also think the answer to your question is more about getting D (and the other photoproducts) naturally from the sun vs taking a supplement which is made from sheep’s wool or boiled fish organs. D supplements are great if you don’t have the sun, but, like plants and animals, we need sun. Hope that helps.

    Answered by  rhennessey@outlook.com on

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