I have self injected upper arms for the last three or so years now,Ive did hundreds of injections and the only time I feel pain is if Im lucky enough to have a nurses appointment,other than that I feel totally in control of any pain risks and although I admit I still hate doing them its not because its painful its just needle phobia in my case
GHK-Cu is the copper-binding regenerative peptide that regulates over 4,000 human genes related to collagen production, wound healing, and anti-inflammatory signaling
doi: 10.3945/ajcn.2010.28674F [PubMed] [Elsevier] Cory, H., Passarelli, S., Szeto, J., Tamez, M., & Mattei, J
Current laboratory, animal, and early clinical research is encouraging and has not identified a consistent pattern of serious adverse events