What Is Vitamin D In International Units?
Here you can read about what vitamin D is, both D2 and D3, measured in International Units (IU).
Vitamin D exists in two forms, Vitamin D2 and Vitamin D3. Despite its name, vitamin D is not a vitamin. It is a hormone that can be synthesized by sunlight.
It is fat-soluble vitamin, which means that the body does not need these every day. We have the potential to store it in our bodies.
Table of Contents
Vitamin D2 And Vitamin D3
Vitamin D exists in two forms. Vitamin D2 and Vitamin D3. (source 🗗)
There are a few differences between the two D vitamins. You can read more on Vitamin D, D2 and D3.
It's difficult for people to get enough vitamin D from food alone.
Supplements are an alternative, but taking too many vitamin D supplements over a long period can cause too much calcium to build up in the body. So be careful and take the right amount.
International Units
IU stands for International Units. It is a unit of measurement for vitamins and other specific substances. It is commonly used to measure fat-soluble vitamins, like Vitamin A, D, and E.
Vitamins are measured in milligrams, micrograms, or international units. Milligrams and micrograms show the amount of mass in a sample. But international units show the level of biological activity of the substance. (source 🗗)
For unit conversion, the formula is:
To convert Vitamin D:
From IU to mcg: IU * 0.025 = mcg
Example: 400 IU * 0.025 = 10 mcg
(source 🗗)