Almost all successful anti-fracture clinical trials have used vitamin D3 at a dosage of at least 800 IU/day (20 mcg per day). Ideally, the vitamin D blood test should be offered from the fall ...

Medical experts caution against the dangers of a single large dose of vitamin D for deficiency, linking it to potential bone ...

However, 800 to 1,000 IU is the dose that may have a better chance of giving a patient a normal vitamin D level. In some countries, vitamin D is listed in micrograms, and the relationship is as ...

During the winter months, maintaining an adequate intake of vitamin D becomes essential as the shorter days and colder ...

When choosing an organic vitamin D3 supplement, it is important to pay attention to the dosage and potency. The recommended daily intake of vitamin D varies depending on age, gender, and other ...

It's interesting that multi-vitamins sometimes have D2 instead of D3. What does that mean? Vitamin D2 is from plants, it's ergocalciferol. It comes from plants that are irradiated by sunlight ...

While vitamin D is an essential nutrient for our overall health, a single dose of vitamin D injection can have adverse ...

The paper on page 131 of this issue of Nature Structural Biology furthers our understanding of one of these vitamins — vitamin D — by describing how it interacts with the protein that carries ...