Category Archives: 25-hydroxyvitamin D

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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Predicting Vitamin D Status Without a Blood Test

Posted on September 17, 2015 by Robert Barrington

Vitamin D is a steroid hormone with a wide ranging nutritional role. Vitamin D can be synthesised from cholesterol in the skin in a reaction catalysed by ultraviolet light or can be derived from the diet. Vitamin D is not … Continue reading →

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Vitamin D and Weight Loss

Posted on September 14, 2015 by Robert Barrington

The traditional role for vitamin D was one of allowing correct bone formation. In this regard, vitamin D deficiencies are associated with osteomalacia and rickets in adults and children, respectively. However, more recently the role for vitamin D in human … Continue reading →

Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Insulin Resistance, Obesity, Vitamin D, Weight Loss | Comments Off on Vitamin D and Weight Loss

More Thoughts on Vitamin D

Posted on August 2, 2015 by Robert Barrington
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Are the Obese At Increased Risk of Vitamin D Deficiency

Posted on July 24, 2015 by Robert Barrington

The traditional role of vitamin D is considered to that of maintaining bone homeostasis. However, more recently, vitamin D has been shown to be involved in a far wider range of physiological roles including maintaining insulin homeostasis, cancer prevention and … Continue reading →

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Type 1 Diabetes And Vitamin D

Posted on July 5, 2015 by Robert Barrington

There are two main forms of diabetes. Type 2 diabetes is thought to result from poor quality diet and too little exercise. In particular, the Western diet and Western lifestyle is thought to contribute significantly to the development of type … Continue reading →

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Do Vitamin D Levels Continue Rise in The Autumn?

Posted on June 16, 2015 by Robert Barrington

Vitamin D is actually a hormone and not a vitamin. Vitamin D is synthesised in the skin of humans in a reaction catalysed by ultraviolet light. The first step in the synthesis of vitamin D is the conversion of hepatically … Continue reading →

Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Cholecalciferol, Ergocalciferol, Vitamin D | Comments Off on Do Vitamin D Levels Continue Rise in The Autumn?

Does Vitamin D Aid Weight Loss?

Posted on May 10, 2015 by Robert Barrington
Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Insulin Resistance, Vitamin D, Weight Loss | Comments Off on Does Vitamin D Aid Weight Loss?

Three Easy Things You Can Do To Protect From Cancer

Posted on May 10, 2015 by Robert Barrington

Cancer rates are increasing in developed nations. While some of this may be due to chemical exposure from pollution, toxins, drugs and water, increasingly it is being reported that diet is pivotal in the risk of developing cancer. In particular … Continue reading →

Posted in 25-hydroxyvitamin D, Antioxidant, Catechin, Flavan-3-ols, Glutathione peroxidase, Green Tea, Micronutrients, Selenium, Vitamin D | Comments Off on Three Easy Things You Can Do To Protect From Cancer

Vitamin D Fortified Foods: Are They Ethical?

Posted on April 7, 2015 by Robert Barrington

Vitamin D insufficiency is increasingly being recognised as a common health concern amongst high latitude Western populations. Vitamin D is produced in the skin via the action of ultraviolet light on cholesterol, but the absence or avoidance of sun exposure … Continue reading →

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