Direct injection avoids any concern about absorption through tissue, and most of the foundational research on these peptides was conducted using injectable administration, so theres a long history of use this way
Lead with protein at every eating occasion, then add vegetables and carbohydrates as you have room
Distribution: After injection, GHK-Cu distributes rapidly to well-perfused tissues including skin, liver, kidneys, and brain
The most common side effects include nausea, vomiting, and diarrhea, which can subside as the body adjusts to the medication but some people report each time they take an injection there are miserable days they just try and endure
Environ Geochem Health 38(1):133143
Theres no question about it, Drucker said