GHK-Cu peptide has been shown to stimulate the production of collagen and other essential skin components, such as elastin and glycosaminoglycans
They determined that while studies involving animals and cell cultures, along with small human studies, suggested the peptide held potential to promote healing, "human data are extremely limited," and "rigorous, large-scale trials are lacking." The data are even more limited on TB-500
It was also injected, which may have shown stronger results, even for gastrointestinal issues
If you have time for a relaxing drip session and want a slow, steady infusion, traditional IV therapy is an excellent option
It may provide treatment in more severe conditions, like patients recovering from strokes