полезный

полезный

Useful; beneficial.

Here 'полезный' is used to describe 'совет' (advice), indicating that it is helpful or beneficial.

Этот совет оказался очень полезным.

This advice turned out to be very useful.

In this context, 'полезный' modifies 'еду' (food), referring to food that is good for health or well-being.

Я всегда выбираю полезную еду для здоровья.

I always choose healthy food for my health.

Here 'полезный' applies to 'упражнения' (exercises), highlighting their beneficial impact on physical health.

Физические упражнения считаются полезными для организма.

Physical exercises are considered beneficial for the body.