High-quality human clinical trials are lacking
PubMed Frias, J.P., Hao, H.X., Rigas, G., Kandler, K., & Davies, M
As a gene expression modulator, GHK-Cu influences several pathways relevant to neurological health: Nerve Growth Factor (NGF) Stimulation: NGF is essential for neuronal survival and maintenance
Apply light pressure with an alcohol pad after withdrawal if any bleeding occurs
Tabata et al., 1999) are illustrative for the pertinence of the poorly resolved problem, illustrative for the diversity of the carriers (i.e., hyaluronate gel carrier (Wang and Aspengberg, 1996), alginate/heparinsacharose microspheres and films (Yu et al., 1998), cellulose gel (Thorn and Aspenberg, 1993), defective form of Pseudomonas exotoxin (Siegall et al., 1994), fibrin adhesive carrier (Walter et al., 1996), biodegredable hydrogen gelatin (Tabata et al., 1999), natural coral, and collagen (Sikiric et al., 2018), there is an inescapable diversity of the carriers and thereby, an evident diversity of the obtained beneficial effects, and disable conclusion