[YeGoblynQueenne]

The difference is that when medics suggest a certain amount of vitamin D as optimal, they do it because they have done the research. When bodybuilders do it, it's just an article of faith for them and not something you should follow.

It is always possible to arrive at a correct conclusion through entirely incorrect reasoning.

Or, as the saying goes, a broken clock is right twice a day.

[icelancer]

No, this line of thinking leads people to blindly trust the peer-reviewed process, which is fraught with plenty of political landmines and corruption.

Homeopathy is crap. But bodybuilding/powerlifting/athletic training often finds the answers well ahead of peer-reviewed science.