Category Archives: 25-hydroxyvitamin D

How Does Vitamin D Affect Mood?

Posted on May 12, 2018 by Robert Barrington

Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Depression, Vitamin D | Comments Off

More On Vitamin D Deficiency: Poor Pregnancy Outcomes

Posted on February 27, 2018 by Robert Barrington

Vitamin D is an important nutrient that can also be synthesised in the skin through exposure to ultraviolet light. Actually a steroid hormone and not a vitamin, vitamin D has recently been shown to have a much wider role in … Continue reading →

Posted in 25-hydroxyvitamin D, Pregnancy, Vitamin D | Comments Off

25-Hydroxyvitamin D in the Obese

Posted on February 26, 2018 by Robert Barrington

Vitamin D is an important steroid hormone in human nutrition. Vitamin D can be synthesised in the skin or consumed in the diet. Once present in the blood, vitamin D is hydroxylated to 25-hydroxyvitamin D in the liver. The circulating … Continue reading →

Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Obesity, Vitamin D | Comments Off

Vitamin D: Immunity and Inflammation Regulator

Posted on January 18, 2018 by Robert Barrington

Vitamin D is not a vitamin, but actually a steroid hormone that regulates gene expression in cells. Vitamin D is associated with protection from a number of diseases including cancer. The ability of vitamin D to confer protection from cancer … Continue reading →

Posted in 1,25-dihydroxyvitamin D / Calcitriol, 25-hydroxyvitamin D, Calcium, Cancer, Immune System, Inflammation, Vitamin D | Comments Off

Europeans: 40 % are Deficient in Vitamin D

Posted on December 18, 2017 by Robert Barrington

A recent study investigated the vitamin D status of a large number of Europeans (nearly 56,000). This was done be assessing data from previous studies that has directly measured the 25-hydroxyvitamin D3 concentration in subjects. Pooling the result from these … Continue reading →

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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

Mushrooms Improve Vitamin D Status

Posted on December 11, 2017 by Robert Barrington

The vitamin D content of cultivated mushrooms is very low (<0.1 μg/100 g fresh weight). However, mushrooms contain high amounts of ergosterol, a precursor to vitamin D. This is interesting because under conditions of ultraviolet exposure, mushrooms can synthesise vitamin … Continue reading →

Posted in 25-hydroxyvitamin D, Mushrooms, Vitamin D | Comments Off

Are Mushrooms a Good Source of Vitamin D?

Posted on December 5, 2017 by Robert Barrington

Evidence suggests that vitamin D insufficiency is common amongst Western populations. This stems partly from a diet that contains a low concentration of vitamin D and from a lack of sun exposure. Those who are at the greatest risk are … Continue reading →

Posted in 25-hydroxyvitamin D, Mushrooms, Vitamin D | Comments Off