If you're looking to enhance muscle growth, and metabolism, and reduce body fat generally, Ipamorelin may be the preferred option
Metabolomic profiling using the absolute IDQ p180 Kit Using the AbsoluteIDQ p180 Kit (BIOCRATES Life Science AG, Innsbruck, Austria), we measured metabolites with a targeted metabolomics approach
Clin Cancer Res 17:64376447 Lyon RP, Bovee TD, Doronina SO, Burke PJ, Hunter JH, Neff-LaFord HD, Jonas M, Anderson ME, Setter JR, Senter PD (2015) Reducing hydrophobicity of homogeneous antibody-drug conjugates improves pharmacokinetics and therapeutic index
Mechanism and gene expression Pickart and colleagues used Broad Institute Connectivity Map data to show GHK-Cu modulates expression of more than 4,000 human genes, with shifts toward patterns associated with younger tissue