copper ghk cu serum GHK-CU Peptide, Hair & Scalp Serum, 2 oz (60 ml) 1 and Palmitoyl Tetrapeptide Copper Peptide Serum – GHK-Cu
Description
Method Samples were stored at 37C for 28 days at which samples were analysed to determine the chemical purity of semaglutide after 14, 21 , and 28 days

doi: 10.1517/17425247.4.5.547

Its a peptide derived from a protein found in your stomach

That being said, the findings indicated that there was a dose-dependent relationship between administration of the nootropic and the recorded escape latencies [2]
