[DOI] [PMC free article] [PubMed] [Google Scholar] 12.de Lima JBM, Debarba LK, Rupp AC, Qi N, Ubah C, Khan M, Didyuk O, Ayyar I, Koch M, Sandoval DA, and Sadagurski M
When a masking protein in removed, activity increases
The review article referenced findings that GHK-Cu modulates thousands of human genes involved in healing and inflammation, tissue remodeling, and antioxidant responses
What this means in practice: your body becomes more responsive to the growth factors already present in response to training stress and testosterone exposure
Common approaches include: 12 weeks on, 4 weeks off 16 weeks on, 6-8 weeks off Use only during specific fat loss phases, then discontinue Cycling provides periodic breaks that may allow the body to normalize