What is Tesamorelin? Tesamorelin is a synthetic growth-hormone-releasing hormone (GHRH) analogue that has been studied for its effects on growth-hormone and IGF-1 pathways and body-composition regulation. Research Areas GHRH signaling Growth-hormone pathways IGF-1 signaling Body-composition research Adipose-tissue research Metabolic research Why is it being researched? Tesamorelin has a more established clinical research history than several of the other compounds in this catalog. Research has particularly examined its effects on body composition and visceral adipose tissue in specific clinical populations. PRIMAL RESEARCH NOTE: Tesamorelin is a prescription pharmaceutical in specific formulations and indications. This research product is not represented as a prescription medication.