PDF] Effects of oral administration of a synthetic fragment of human growth hormone on lipid metabolism. Semantic Scholar AOD 9604 Peptide: Research Into Fat Cell Metabolism AOD 9604 Research Compound Spartan Peptides Peptide Spotlight: AOD 9604 The Wellness Lounge AOD 9604 targets the fat signaling region of growth hormone, activating lipolysis while leaving insulin and IGF 1 unchanged. Growth hormone regulates fat metabolism through a specific domain in its molecular structure, the amino acids Safety and Metabolism of AOD9604, a Novel Nutraceutical Ingredient for Improved Metabolic Health