[DOI] [PubMed] [Google Scholar] 150.Gamse R., Vaccaro D.E., Gamse G., DiPace M., Fox T.O., Leeman S.E
Each Research Peptide Pen contains 50mg of GHK-Cu Copper Peptide in a preservative-free formulation and is supplied with a corresponding Certificate of Analysis (COA) verifying batch purity and analytical testing
Your body still has to synthesize the glutathione
Loren Pickart, and it can naturally be found in human saliva, plasma, and urine.12 (The GHK in skin care products is synthetic.) Experts originally believed GHK was a liver cell growth factor, but as research advanced, they learned that the peptide could alter far more cells than just those in the liver
& Assou, S
The primary risk with GHK-Cu is sourcing quality, as unregulated peptide products may contain impurities that cause reactions attributable to contamination rather than the peptide itself