vitamin D2

American  

noun

1. calciferol.

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vitamin D2 British  

noun

1. another name for calciferol

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vitamin D2 Scientific  

1. A white crystalline sterol produced by ultraviolet irradiation of ergosterol and also occurring naturally in fungi and some fish oils. Vitamin D ₂ is the form of vitamin D generally used as a dietary supplement. Also called calciferol, ergocalciferol. Chemical formula: C ₂₈ H ₄₄ O.

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Example Sentences

I am confused about the difference between vitamin D2 and vitamin D3.

From Seattle Times

Vitamin D2 is derived from plant sources like mushrooms.

From Seattle Times

Choose vitamin D2 or D3 for the best absorption.

From Washington Post

Vitamin D2 is produced by plants.

From BBC

Vitamin D2 is produced by plants, and Vitamin D3 is the one made by your skin.

From BBC