vitaminise vs supplement

vitaminise is not a noun while supplement is a noun.

Word	Noun	Adjective	Verb	Adverb
vitaminise	No	No	Yes	No
supplement	Yes	No	Yes	No

As verbs, supplement is a hypernym of vitaminise; that is, supplement is a word with a broader meaning than vitaminise:

vitaminise (noun)	supplement (noun)
	a supplementary component that improves capability
	a quantity added (e.g. to make up for a deficiency)
	textual matter that is added onto a publication; usually at the end

vitaminise (verb)	supplement (verb)
add vitamins as a supplement	add to the very end
	add as a supplement to what seems insufficient
	serve as a supplement to