「なるべく」is often used in the form of 「なるべく早く」, which means “as soon as possible”.
I’ll come back home as soon as I can.
I’ll get in touch with you as soon as possible.
Try to jump as high as possible.
I want to avoid danger as much as I can.
I avoid traveling by air, if I can help it.
I would appreciate a reply as soon as possible.
I’m trying not to think about that.
After opening, please eat as soon as possible.
Read as many newspapers as you can so as to keep up with the times.
I suggest that you go and see a doctor about this as soon as you can.