In a manner beneficial to one's health; healthily.

In a healthful manner: see the adjective.

In a salutary manner.

So as to promote physical health; in a way favourable to health; healthily (rare). Formerly also: †remedially, medicinally (obsolete).

Colloquial phrase for one's health, used esp. in negative contexts or with negative implication, e.g. to be not doing (something) for one's health…