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		delecti 27 days ago \| parent \| context \| favorite \| on: Vitamin D reduces incidence and duration of colds ... And humans aren't dogs.

wongarsu 27 days ago [–]

Most definitions of the word vitamin are not specific to humans. Wikipedia talks about "organisms", Britannica about "higher animal life", Webster about "most animals and some plants"

lxgr 27 days ago | [–]

What is and isn't a vitamin by definition varies from species to species.

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