The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Peptides, People and the Power of the Anecdote Here's what yesterday's peptide post taught us about people, fast. A lot of smart people will defend a story they have invested in, even I Reviewed Over 100 Peptide StudiesThese 4 Findings Stood Out the Most GHK Cu is the compound your body made at 25 and quietly stopped making., Most people find it in overpriced serums. Few understand what it actually does, or what happens when youre not careful., Watch