vitamin vs victuals

vitamin and victuals both are nouns.

Word	Noun	Adjective	Verb	Adverb
vitamin	Yes	No	No	No
victuals	Yes	No	No	No

As nouns, victuals is a hypernym of vitamin; that is, victuals is a word with a broader meaning than vitamin:

vitamin: any of a group of organic substances essential in small quantities to normal metabolism
victuals: a source of materials to nourish the body

Other hypernyms of vitamin include aliment, alimentation, nourishment, nutriment, nutrition, sustenance.

vitamin (noun)	victuals (noun)
any of a group of organic substances essential in small quantities to normal metabolism	any substance that can be used as food
	a source of materials to nourish the body
	a stock or supply of foods