Category Archives: 25-hydroxyvitamin D

Vitamin D From the Sun

Posted on April 10, 2016 by Robert Barrington
Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Vitamin D | Comments Off on Vitamin D From the Sun

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 →

Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Calcium, Cholecalciferol, Glycaemia, Insulin, Insulin Resistance, Vitamin D | Comments Off on Vitamin D With Calcium: Blood Glucose Regulation

Vitamin D And Insulin Resistance

Posted on March 9, 2016 by Robert Barrington

Evidence suggests that low levels of the active vitamin D metabolite 25-hydroxyvitamin D are associated with type 1 and type 2 diabetes, as well as obesity. This may be explained by a role for vitamin D in the function of … Continue reading →

Posted in 25-hydroxyvitamin D, Insulin Resistance, Vitamin D | Comments Off on Vitamin D And Insulin Resistance

Two Reasons To Go In The Sun

Posted on February 14, 2016 by Robert Barrington
Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Vitamin D | Comments Off on Two Reasons To Go In The Sun

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 →

Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Insulin, Insulin Resistance, Vitamin D | Comments Off on Vitamin D Improves Insulin Function

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?

Did These Studies Really Pass Peer Review? Vitamin D

Posted on October 5, 2015 by Robert Barrington

There is no doubt in my mind that the quality of scientific research has deteriorated in the scientific literature in the last decade. It may be argued that this is a reflection of the growing amount of knowledge and the … Continue reading →

Posted in 25-hydroxyvitamin D, Vitamin D | Comments Off on Did These Studies Really Pass Peer Review? Vitamin D

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