Category Archives: 1,25-dihydroxyvitamin D / Calcitriol

Vitamin D With Calcium: Blood Glucose Regulation

Posted on March 10, 2016 by Robert Barrington

The traditional viewpoint is that vitamin D and calcium are required for correct bone formation. Until recently little attention was paid to either calcium or vitamin outside of this role. However, growing evidence in the nutritional literature has challenged this … Continue reading →

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The Calcium Paradox

Posted on March 6, 2016 by Robert Barrington
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Two Reasons To Go In The Sun

Posted on February 14, 2016 by Robert Barrington
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Dairy Causes Weight Loss Without Energy Restriction

Posted on February 12, 2016 by Robert Barrington

Evidence suggests that high intakes of dairy foods are associated with a lower level of body fat. In addition, it has been shown that high intakes of calcium are also associated with beneficial improvements in body composition. The calcium content … Continue reading →

Posted in 1,25-dihydroxyvitamin D / Calcitriol, Adipose Tissue, Blood Pressure, Body Fat, Calcium, Dairy, Skeletal Muscle, Weight Loss | Comments Off on Dairy Causes Weight Loss Without Energy Restriction

Effects of 1200 IU Per Day of Vitamin D

Posted on January 23, 2016 by Robert Barrington
Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Insulin Resistance, Vitamin D | Comments Off on Effects of 1200 IU Per Day of Vitamin D

Vitamin D Improves Insulin Function

Posted on January 8, 2016 by Robert Barrington

Vitamin D is a steroid hormone, and not a true vitamin, as it is synthesised in the skin by the action of ultraviolet light on cholesterol. The traditional view is that vitamin D is required to prevent the development of … Continue reading →

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Vitamin D: Vitamin or Hormone?

Posted on January 5, 2016 by Robert Barrington

Vitamin D is usually classified as a vitamin, nutritionally. However, it is not a true vitamin because it can be synthesised in the skin of humans from the action of ultraviolet light on cholesterol. Therefore vitamin D is not an … Continue reading →

Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Calcium, de Novo Lipogenesis, Insulin Resistance, Parathyroid Hormone, Vitamin D, Weight Loss | Comments Off on Vitamin D: Vitamin or Hormone?

Vitamin D From Sunbeds

Posted on October 4, 2015 by Robert Barrington
Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Cholecalciferol, Ergocalciferol, Vitamin D | Comments Off on Vitamin D From Sunbeds

Vitamin D and Blood Glucose Homeostasis

Posted on October 1, 2015 by Robert Barrington

Vitamin D is a steroid hormone, classified as a vitamin. As well as dietary sources of vitamin D, humans can synthesise vitamin D in the skin through the action of ultraviolet light acting on cholesterol. The biologically accepted marker for … Continue reading →

Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Abdominal Obesity, Insulin Resistance, Metabolic Syndrome, Vitamin D | Comments Off on Vitamin D and Blood Glucose Homeostasis

Has the 25-hydroxyvitamin D in Food Been Overlooked?

Posted on September 29, 2015 by Robert Barrington

The accepted biomarker of vitamin D status is the plasma levels of the hydroxylated form of vitamin D, 25-hydroxyvitamin D. Following synthesis in the skin, or absorption from the gastrointestinal tract, vitamin D is hydroxylated in the liver to form … Continue reading →

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