Visual Format: Approved vs investigational status map Key Labels: Cosmetic product, compounded peptide, non-injectable route, injectable route, FDA safety concern, approved drug label, regulatory standards, product category Suggested Layout: Use a horizontal status map with four blocks: Cosmetic context, Non-injectable compounding review, Injectable safety concern, and Approved drug labeling. Add a note that product category changes evidence and safety interpretation
The main mechanisms with research support: Collagen and connective tissue: GHK-Cu upregulates collagen synthesis and metalloproteinases the enzymes that remodel old, damaged collagen
Better performance and faster recovery Sermorelin helps muscles repair and preserve lean mass, partly by supporting the overnight GH release that drives tissue rebuilding
The percentage of spine elimination was calculated as the number of lost spines/pre-existing number of spines, and the percentage of spine formation was calculated as the number of new spines/pre-existing number of spines