ghk cu skin benefits research GHK-Cu (100 mg) ghk-cu peptide skin hair benefits
Description
However, at higher doses, it can act as a potent hepatotoxin, and cause cell necrosis (McGill et al., 2013) and acute liver failure (Lee, 2004)

The optimal dose and whether you need oral supplements or injections depend on the condition and your current B12 levels

Which peptide protocol fits you
Clinical studies have found that using GHK-Cu can improve skin firmness by 20-30% over 12 weeks
