Category Archives: Vitamin D

Vitamin D Supplements to Treat Depression

Depression is a serious lifestyle disease that often has no known cause. Treatment of depressive symptoms can be highly difficult as no clear mechanism of development has been explained. This suggests that depression is multifactorial and a large number of … Continue reading

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Biochemical Individuality In Response To Vitamin D Supplements

Vitamin D is an important nutritional factor. However, vitamin D is not a true vitamin as a dietary source is not essential. In cases where adequate sunlight exposure is available, vitamin D is not required in the diet. Further, dietary … Continue reading

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Vitamin D: Skin Versus Diet

Humans obtain vitamin D from two sources. Firstly, humans are able to synthesise vitamin D in their skin. This cutaneous reaction is catalysed by ultraviolet light and results in the production of vitamin D3, also called cholecalciferol. Humans can also … Continue reading

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Vitamin D Toxicity: Part 3

Three main theories have been suggested to explain the toxicity associated with excessive intakes of vitamin D. These theories are described and discussed in part 1 (here) and part 2 (here) of this article. The traditional view is that high … Continue reading

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Vitamin D Toxicity: Part 2

In my previous article on vitamin D toxicity (here), I explained that vitamin D can become toxic at high doses. The traditional explanation of vitamin D toxicity relates to the ability of high intakes of one vitamin D metabolite, 1,25-dihydroxyvitamin … Continue reading

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Vitamin D Toxicity: Part 1

Vitamin D should really be considered a hormone rather than a vitamin as a dietary source is not required. Vitamin D can be produced in the skin by the action of ultraviolet light but diet can also contribute to total … Continue reading

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Bad Weather? Time To Start Taking Vitamin D Again

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What Role Does Vitamin D Play In Depression?

Depression is increasingly common in the Western nations., This may relate to the mentally stressful lives these populations live. Depression can be severely debilitating to the sufferer, and research shows that in many cases depression is a chronic disorder that … Continue reading

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How Does Vitamin D Relate To Fertility?

Infertility affects 15 to 25 % of couples of reproductive age in Western countries. Infertility is therefore one of the leading causes of disease in Western nations. Because of the high rates of infertility, couples are increasingly turning to fertility … Continue reading

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Vitamin D and Depression

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