Tesamorelin is a synthetic peptide analog of human growth hormone–releasing factor (GRF/GHRH) used in research and formulation settings to study pituitary signaling, GH-axis activity, and metabolic pathway regulation. The FDA label describes tesamorelin as a synthetic GRF analog made from the 44-amino-acid sequence of human GRF with a hexenoyl moiety attached at the N-terminal tyrosine residue, and su57lied as an acetate salt.
In supplier and reference sources, tesamorelin is commonly characterized as a long-chain GHRH analog used for research involving endogenous GH release, receptor signaling, and body-composition/metabolic pathway investigation. PubChem lists tesamorelin and tesamorelin acetate as distinct entries, with different molecular weights depending on whether the base peptide or acetate salt is referenced.
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