Tesamorelin (usan) consists of the 44 amino acid sequence of human growth hormone releasing factor (GRF), with a 3-hexenoyl group attached to its tyrosine N-terminal residue. It is a new growth hormone releasing factor analogue, which can not only restore normal growth hormone secretion in the body, but also reduce the increased visceral adipose tissue (VAT), improve blood lipid abnormalities and quality of life, and maintain glucose homeostasis in the body
