Growth Hormone (GH): Source, Functions, Disorders & Mechanism Handwritten Infographic Notes Growth Hormone (GH), also known as Somatotropin, is a vital peptide hormone secreted by the anterior pituitary gland. It Ipamorelin (2mg): The Growth Hormone Peptide For Recovery, Performance, And Longevity Ipamorelin is a pentapeptide. Five amino acids. That's it. But three of those five don't exist in nature. The sequence: Aib His D 2 Nal D Phe Lys, with a C terminal amide. Position 1 is aminoisobutyric acid the Frontiers Morning vs. evening growth hormone injections and their impact on sleep wake patterns and daytime alertness Growth Hormone Secretagogue an overview ScienceDirect Topics