nutritional vs nutrition

nutritional is not a noun while nutrition is a noun.

Word	Noun	Adjective	Verb	Adverb
nutritional	No	Yes	No	No
nutrition	Yes	No	No	No

nutritional (noun)	nutrition (noun)
	the scientific study of food and drink (especially in humans)
	a source of materials to nourish the body
	(physiology) the organic process of nourishing or being nourished; the processes by which an organism assimilates food and uses it for growth and maintenance

nutritional (adjective)	nutrition (adjective)
of or relating to or providing nutrition