good for you vs healthy

good for you and healthy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
good for you	No	Yes	No	No
healthy	No	Yes	No	No

As adjectives, good for you and healthy are synonyms defined as:

Other synonyms of good for you include salubrious.

good for you (adjective)	healthy (adjective)
promoting health; healthful	having or indicating good health in body or mind; free from infirmity or disease
	large in amount or extent or degree
	exercising or showing good judgment
	financially secure and functioning well
	promoting health; healthful