Vitamin D is a daily supplement for many people, especially during the winter months. Health authorities are now warning that excessively high doses can be harmful.

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A trial by the University of Eastern Finland found that taking a much higher dose of vitamin D than recommended for five years did not affect total mortality or the incidence of cardiovascular disease ...

Experts identify four key warning signs of vitamin D overdose: Persistent Thirst and Frequent Urination – Overconsumption can disrupt fluid and salt balance, causing constant thirst and frequent trips ...

In a recent study published in The Journal of Clinical Endocrinology & Metabolism, researchers developed therapeutic recommendations for utilizing vitamin D [cholecalciferol (vitamin D3) or ...

Too much vitamin D, or vitamin D toxicity, happens due to a buildup of calcium in the blood (hypercalcemia), which can be ...

Getting enough of the "sunshine vitamin" can be difficult in cold months.

Your fork might need to pick up some of the sun's slack this season.

A new study led by the University of Surrey has found a correlation between vitamin D deficiency and the risk of hospital ...

Vitamin D plays a role in insulin function and inflammation, and low levels are common among people with prediabetes. But can ...

Calcium and vitamin D work synergistically to provide optimal potential clinical benefits, and this is now well known from clinical research (Khazai et al., 2008). Regardless of the adult age, the ...