In some countries, vitamin D is listed in micrograms, and the relationship is as follows: 2.5 mcg (micrograms) = 100 IU. 5 mcg = 200 IU. 10 mcg = 400 IU. 15 mcg = 600 IU. 20 mcg = 800 IU.

A doctor had some words of warning to people who take a load of vitamin tablets without actually researching the dose they ...

A doctor has claimed there's one vitamin that 'almost everyone' should be taking, especially in the winter, but it can have ...

In the United States, current guidelines suggest that consuming 400–800 International Units (IU), or 10–20 micrograms (mcg), of vitamin D should meet the needs of 97%–98% of all healthy people.

TWO vitamin D supplements have been recalled as they could trigger vomiting, anorexia, and life-threatening heart issues. The oral drops and solution, made by TriOn Pharma, contain higher levels ...

A doctor has claimed that there's one vitamin almost all of us should be taking a supplement for - but we need to be careful ...

Do you get enough Vitamin D in winter? We spoke to a registered dietitian/nutritionist about food you can eat and supplements ...

With winter now well and truly here, it is important to find ways to supplement our vitamin D - as we're not getting enough ...

Let's face it, if you wanted to add to your vitamin D through food, the options are pretty limited. Here are some ideas from ...

A 21-year-old man or women exposed to summer UVB light generates 10,000 IU (the equivalent of 250 mcg, 25 multivitamin pills of vitamin D, or 100 glasses of milk) of vitamin D in 15 to 20 minutes.