Tag Archives: Vitamin D

Vitamin D and Obesity Association

Evidence shows that plasma concentrations of the vitamin D marker 25-hydroxyvitamin D [25(OH)D] are inversely associated with adiposity. However the nature of this association between vitamin D and obesity is not fully understood because it is not clear if higher … Continue reading

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Vitamin D and Testosterone: Misunderstandings

Vitamin D insufficiency is increasingly being reported to be prevalent amongst those living in northern latitudes. This is because for six months of the year the angle of incidence is too low to allow effective penetration of the skin by … Continue reading

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More on the Need for Vitamin D Supplements

The insufficiency is a relatively new classification in the nutritional literature. Generally, an insufficiency is defined as an sub-optimal intake of an essential dietary component, that is not severe enough to lead to the classic deficiency diseases. In the case … Continue reading

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Vitamin D: Dark Skin Increases Requirement

he adult recommended intake for vitamin D is based on obsolete studies performed on children using cod liver oil supplements to prevent rickets. As a result the recommended intake of vitamin D does not provide enough of the vitamin for … Continue reading

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Vitamin D and Metabolic Syndrome

Metabolic syndrome is a disorder characterised by insulin resistance and abdominal obesity. This causes metabolic disturbances that include detrimental changes to blood lipids and deposition of fat in the viscera. The result is an increase in the risk of cardiovascular … Continue reading

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More on Vitamin D3 versus Vitamin D2

Vitamin D3 (cholecalciferol) is found in products of animal origin, whereas vitamin D2 (ergocalciferol) is found in products of plant origin. Evidence suggests that vitamin D3 is more effective at raising plasma concentrations of 25-hydroxyvitamin D [25(OH)D] when compared to … Continue reading

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Hydroxylation Improves Vitamin D Effectiveness

Research has recently expanded the biochemistry of vitamin D beyond its traditional role in bone metabolism to include diverse functions on cellular regulation. Dietary vitamin D becomes important during winter months at higher latitudes when sunlight is not intense enough … Continue reading

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Vitamin D and Calcium: Type 2 Diabetes

esearch implicates vitamin D and calcium insufficiency in the development of metabolic syndrome and subsequent deterioration of the condition to type 2 diabetes. Metabolic syndrome is characterised by insulin resistance, abdominal obesity, hyperglycaemia, inflammation and β-cell dysfunction, which suggests that … Continue reading

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