US$ 20.92
where to inject ghk-cu Help on : r/PeptideGuide 5 GHK Cu Peptide Injection
Description
You can buy vitamin B12 injections online from a pharmacy and administer the injection for yourself if you know how to do it safely

At 2 mg/mL (5 mL water): 12.5 units

Collagen Synthesis and Organization : Promotes fibroblast proliferation, migration, and organized collagen deposition (especially Type I collagen)

[Google Scholar] 3.Khavinson V.K., Morozov V.G