Category Archives: 25-hydroxyvitamin D

Winter Vitamin D

Posted in 25-hydroxyvitamin D, Vitamin D | Comments Off on Winter Vitamin D

Do Vitamin D Supplements Relieve Depression?

Evidence suggests that there is an association between poor vitamin D status and mood disorders. In particular, there appears to be a greater risk of depression in those with low levels of the active metabolite of vitamin D in their … Continue reading

Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Anxiety, Depression, Mood, Vitamin D | Comments Off on Do Vitamin D Supplements Relieve Depression?

Should You Take Vitamin D Supplements During the Summer?

Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Vitamin D | Comments Off on Should You Take Vitamin D Supplements During the Summer?

Vitamin D and Immunity

Posted in 25-hydroxyvitamin D, Immune System, Vitamin D | Comments Off on Vitamin D and Immunity

Vitamin D and Depression

Posted in 25-hydroxyvitamin D, Anxiety, Depression, Mood, Vitamin D | Comments Off on Vitamin D and Depression

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

Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Depression, Vitamin D | Comments Off on Vitamin D Supplements to Treat Depression

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

Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Vitamin D | Comments Off on Biochemical Individuality In Response To Vitamin D Supplements

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

Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Cholecalciferol, Ergocalciferol, Vitamin D | Comments Off on Vitamin D: Skin Versus Diet

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

Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Calcium, Vitamin A, Vitamin D, Vitamin K | Comments Off on Vitamin D Toxicity: Part 2

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

Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Vitamin D | Comments Off on Vitamin D Toxicity: Part 1