The options may be chosen on the product page Product Description AOD9604 Peptide | Buy AOD9604 UK | GH Fragment 176-191 | Research Use Only AOD9604 also known as GH Fragment 176-191 is a synthetic 16-amino acid peptide derived from the C-terminal region of human growth hormone (hGH), originally developed by Metabolic Pharmaceuticals in Australia as a selective lipolytic research compound
as of 2026, the FDA has placed injectable GHK-Cu on its Category 2 bulk drug substances list, meaning it cannot be legally compounded for injection due to immunogenicity and impurity concerns
This minimizes the time the reconstituted solution sits in the refrigerator
Repeated injection of impure peptides can sensitize the immune system, potentially causing autoimmune reactions
Do not massage the injection site, as this can alter the absorption rate
This suppresses the production of several pro-inflammatory compounds, dampening the inflammatory response at its sourcewithout the broad immunosuppressive effects that come with steroids