While 10mcg or 400IU of vitamin D is the amount most people will need daily, you might have noticed some supplements contain ...

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 ...

What does that mean? Vitamin D2 is from plants, it's ergocalciferol. It comes from plants that are irradiated by sunlight, and a lot of vegetarians prefer a multi-vitamin that has a plant form of D.

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 ...