Vitamin D

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Notion

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Science and technology

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What Wikipedia says

Vitamin D is a group of structurally related, fat-soluble compounds responsible for increasing intestinal absorption of calcium, along with numerous other biological functions. In humans, the most important compounds within this group are vitamin D3 (cholecalciferol) and vitamin D2 (ergocalciferol).

Excerpt from the Wikipedia article “Vitamin D”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Ben Mills, Public domain, via Wikimedia Commons.