I have been running GHK-Cu for three years and the honest summary is that the effect is smaller than the internet suggests and real.
Mechanism is not outcome, and a plausible pathway is the most expensive kind of evidence there is.
Injection site reactions are trivial until they are not, and a fresh needling technique removes half of them.
Anyone got a paper worth reading on this rather than a write-up of a paper?
Narrow conclusion.
Narrow conclusion, briefly right. Broad conclusion, interestingly wrong. I know which I keep choosing.
Underdosing and tolerance are indistinguishable from the inside, and everyone picks the flattering explanation.
Narrow conclusion, briefly right. Broad conclusion, interestingly wrong. I know which I keep choosing.
Test one thing at a time. It feels slower and it is the only way to learn anything.
Most of what is called evidence here is one person, one vial, one month.