Vitamin D3, also known as cholecalciferol, is an essential nutrient your body needs to function properly. Vitamin D3 can be ingested through food and can also be obtained from sunlight. In this article, you will learn about the sources of vitamin D3 in foods and some of its health benefits.
What is Vitamin D3?
What is Vitamin D3Vitamin D is an essential vitamin that helps the body absorb calcium and phosphorus from food. It is a fat-soluble vitamin produced in the skin from exposure to sunlight and the only so-called vitamin that is produced by the human body as well.
There are different types of vitamin D: alfacalcidol, ergocalciferol-D2, and cholecalciferol-D3. The one we know as vitamin D3 is also called cholecalciferol. It provides even more benefits than other types of vitamin D and is more active in the human body. That’s why you will likely find supplements with vitamin D3 instead of D2, and the list of vitamin D-rich foods refers to vitamin D3.
Vitamin D3 is also found in foods such as egg yolks, fatty fish, and fortified milk products. It has many bodily functions, including aiding in the absorption of calcium, helping to regulate the immune system, and supporting healthy bones and teeth. It is also used to help prevent and treat certain conditions, such as rickets, osteoporosis, and certain types of cancer.
If a person does not get enough Vitamin D3 from their diet and sun exposure, their doctor may recommend taking a supplement to ensure they get enough of this essential nutrient. But since Vitamin D3 is a fat-soluble vitamin, an overdose can occur if a person takes too much, so it is essential to follow the directions on the supplement bottle.
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