GHK-Cu has been studied more extensively in relation to skin and tissue repair
Injured tissues require robust blood supply to deliver oxygen, nutrients, and immune cells necessary for repair
AOD-9604 (Anti-Obesity Drug 9604) is a 16-amino-acid synthetic peptide based on residues 176-191 of the C-terminal region of human growth hormone, with the N-terminal phenylalanine replaced by tyrosine to improve stability
clinicaltrials.gov Dimet-Wiley A, Wu Q, Wiley JT, et al
Naked Nutrition Review: The Purest Protein
Above this threshold, the pituitary's GHRH receptors are fully occupied, and additional CJC-1295 produces diminishing returns