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What Is Vitamin D2?

Vitamin D2 is one of two forms of Vitamin D. The other is vitamin D3. Vitamin D2 is mainly obtained from plant sources and fortified foods.

Among the plant sources, it’s mainly wild mushrooms that are a naturally rich source of vitamin D2.

Vitamin D2 is the main form of vitamin D for vegans and groups of people who want to avoid animal products. Vitamin D2 is less effective than D3 but can still improve your vitamin D status.

Vitamin D2 Is An Important Nutrient

Vitamin D2 is a fat-soluble vitamin with many health benefits. There are two forms of vitamin D, vitamin D2 and vitamin D3. (source đź——)

Vitamin D2 is obtained from the UV irradiation of the yeast sterol ergosterol, found naturally in mushrooms that have been exposed to the sun. (source đź——)

Vitamin D2 is also found in plant sources and fortified foods. (source đź——)

Vitamin D2 Is Less Effective

Since vitamin D2 is cheaper to produce than D3, it’s the most common form in fortified foods. (source 🗗)

Daily supplementation of vitamin D2 is less effective than D3 in maintaining vitamin status over the winter months in healthy adults living in the northern parts of the world. (source đź——)

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Sara Niemelä

co-founder Care Omnia, Head Content Creator


I’m a wife and a mother of three. I enjoy the outdoors, cooking, and spending time with my family. Nutrition is my passion. I have spent thousands upon thousands of hours reading, analyzing, categorizing and comparing research studies. Nutrition is the foundation you build a healthy and fulfilling life upon!