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.

When is the best time to take vitamin D? The best time to take any vitamin is the time when you will remember, says Gans. In ...

Each dose contains 125 mcg (5000IU) of Vitamin D3 ... With 2,000 IU of certified vegan vitamin D3 and 10 organic mushrooms, it provides immune system support and boosts calcium absorption for ...

Most commonly, combination products use vitamin D3 and the MK-4 or MK-7 forms of vitamin K2 ... For reference, 400 IU vitamin D is the same as 10 mcg. The National Institutes of Health (NIH) ...

There are two types of vitamin D supplements available for over-the-counter purchase (vitamin D2 and vitamin D3). Vitamin D3 is the type that most experts believe should be utilized in clinical ...