ghk-cu topical vs injection efficacy Are We Ready to Measure Skin Permeation of Modern Antiaging GHK–Cu Tripeptide Encapsulated in Liposomes? GHK-Cu vs NAD+: Which Longevity
Description
You do not inject the whole vial at once but rather you would draw up a portion for each dose

Mol Microbiol 79(1):240263

M.IordacheF.PignatelliF.et al

Insert the needle into the BPC 157 vial, angling it so the water runs down the side of the glass vial, not directly onto the peptide powder

While gastrointestinal side effects were common, they were mostly not acute

Activit antioxydante Le GHK-Cu renforce les dfenses antioxydantes endognes en augmentant l'expression de la superoxyde dismutase (SOD), de la glutathion peroxydase et de la ferritine
