Dr.PeteFamMed said:Order of operations matters more than any single choice here: establish a baseline, change one thing, wait long enough for it to express itself, then…
There is a second half to this that has not been said yet. Most of what circulates confidently in this community traces back to one summary of one study, and the qualifier was dropped somewhere in the third retelling.
Ask again with the specifics and you will get a better answer than this one.