US$ 27.50
ghk-cu transformation Amazon.com: GHK-Cu Copper Peptide Serum 6 month GHK-CU check-in Main
Description
Accumulation of polyhydroxyalkanoic acid containing large amounts of unsaturated monomers in Pseudomonas fluorescens BM07 utilizing saccharides and its inhibition by 2-bromooctanoic acid
Light protection Light degrades peptides

They aggregate lab test results and provide vendor safety ratings

It costs between $100 and $300 monthly, depending on source, dosage, and whether youre stacking it with TB-500