ghk-cu mechanism of action receptor The Effect the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline GHK-Cu Copper Peptides: 50 Years
Description
This protonates the amino acid side chains, increasing their polarity and forcing the peptide to dissolve completely

$159.99 BPC-157 describes a partial sequence of amino acids naturally occurring in human gastric juices

Adjust based on response, not impatience
More is not better

There were no side effects from the product that I noticed