ghk cu clinical trial human skin wound healing randomized Exploring the beneficial effects of GHK-Cu on an experimental model of colitis and the underlying mechanisms GHK-Cu Cooper Peptide: The Complete
Description
It begins just behind the windpipe and curves slightly to the goats left side (which may appear on your right if you're facing the goat head-on)

Wash hands and clean the injection site with ethanol wipe or surgical spirit

Adjusting timing of injections relative to meals sometimes helps

B12 has many roles in the body

This is rare, but better to be safe