Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.

Category: emotional status 
Words: down, remorseful, up, emotional supports, shameful
up

Category: emotional status 
Words: alright, alert, fine, detached, level
level

Category: nutritional value 
Words: fat, iron, absorption, heavy, salt

absorption