Yes, it is important to diffrentiate whatever we are told or adviced to do. Some internet G or C orV can merely suggest from their experience.
That said; the best health journey I did started with one sentence from an internet doctor guru. And a mad chemist from Bankok.
Sometimes just a few sentences from a book can clear up a decade of questions.
Learn by doing, take the responsibility yourself; also for your failures. Start again, be patient, listen to your body; for me that is freedom.