Category Archives: Cholecalciferol

Vitamin D Supplements to Prevent Osteoporosis

Posted on October 24, 2023 by Robert Barrington

Ageing is associated with a reduced density of bone, and this reduced density increases the risk of fractures. Women are particularly susceptible to this reduced bone mass which implies that the condition of osteoporosis may be heavily dependent on hormone … Continue reading →

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Vitamin D from Fish Oil or Multivitamin Capsule?

Posted on October 2, 2023 by Robert Barrington

Vitamin D is an important hormone that can be synthesised from cholesterol in the tissues of the skin, and which is also present in a number of foods. Vitamin D is difficult to obtain in the diet as it is … Continue reading →

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Vitamin D and Testosterone

Posted on September 9, 2023 by Robert Barrington

Vitamin D is actually a steroid hormone. The main role associated with vitamin D is that of calcium regulation, but as more is understood about the compounds the more roles are discovered. Because vitamin D is a steroid hormone, it … Continue reading →

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Vitamin D: Supplements, Food or The Sun?

Posted on March 9, 2023 by Robert Barrington

Vitamin D is an important hormone that is metabolised to a number of important metabolites that have a wide range of cellular effects. Obtaining enough vitamin D is important because low levels of vitamin D may damage the immune system, … Continue reading →

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Vitamin D: Vital for Cognition and Mood

Posted on July 25, 2019 by Robert Barrington

Vitamin D has a range of biological functions, and may be required for correct immunity, correct mineral homeostasis and mental function. Vitamin D deficiencies is increasingly being found to be widespread amongst the populations that live in developed countries. The … Continue reading →

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Vitamin D: Skin Versus Diet

Posted on August 28, 2018 by Robert Barrington

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

More On Generating Vitamin D From Mushrooms

Posted on December 12, 2017 by Robert Barrington

Mushrooms are a good source of vitamin D, but the vitamin D content of mushrooms varies depending on the growing conditions. In particular, the amount of ultraviolet light that the mushrooms are exposed to has a significant effect on the … Continue reading →

Posted in 25-hydroxyvitamin D, Cholecalciferol, Ergocalciferol, Mushrooms, Shiitake, Vitamin D | Comments Off on More On Generating Vitamin D From Mushrooms

Do We Absorb The Vitamin D From Mushrooms?

Posted on December 7, 2017 by Robert Barrington

Evidence suggests that mushrooms can be a source of dietary vitamin D. In particular, mushrooms are rich in ergocalciferol, also called vitamin D2. Ergocalciferol is known to be biologically active in humans, and a number of studies have investigated the … Continue reading →

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The Vitamin D Content of Mushrooms

Posted on December 6, 2017 by Robert Barrington

Vitamin D is a steroid hormone required by humans for correct bone, immune and calcium regulation. Humans can synthesise vitamin D when their skin is exposed to ultraviolet light, or can get vitamin D from food. Vitamin D is not … Continue reading →

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Vitamin D Binding Protein: Supplements and Sun

Posted on November 26, 2017 by Robert Barrington
Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Cholecalciferol, Ergocalciferol, Vitamin D | Comments Off on Vitamin D Binding Protein: Supplements and Sun