Of course. But I think the basis of PCT is consistent. What works works for the most part. And my main point for many years now has been twofold. One: Clomid and Nolva are essentially crappy drugs. And two: the main objective is to get the body operating on its own. That's what these supplements were designed to do.
Then again, there are always individual factors -- length, type of drug, propensity for gyno -- and that's when you have to zero in and personalize it a bit more.
They work and have countless studies on them, new and old.
Why do you have HMG in your suggested PCT and not HCG?