RESEARCH STUDY - HOW Sermorelin Acetate ( WHICH IS A 29-amino-acid analog of growth hormone) –releasing hormone (GHRH 1-29). - HOW It stimulates the pituitary to release endogenous GH, so its effect depends on intact hypothalamic-pituitary function. • Compared with somatropin, it is an upstream signal rather than direct hormone replacement. FOR SEARCH USE ONLY