ghk-cu gene modulation The Effect of the Human Peptide GHK on Expression Relevant to Nervous System Function and Cognitive Decline Synergy of GHK‐Cu and hyaluronic
Description
Adjust dose, wait 1-2 weeks to assess, then consider other changes if needed

Pinch a skinfold at the injection site (abdomen preferred, at least 2 inches from navel) [6]

Libido & Sexual Function Sexual desire typically returns around the 3-4 week mark

They compete for absorption and can cause irritation
