Tesamorelin and Ipamorelin: Two Receptors, One Cell, and Why They Ship Together

Quick answer: They are not the same class of compound and they do not act at the same receptor. Tesamorelin is a growth-hormone-releasing hormone analog that binds the GHRH receptor. Ipamorelin is a growth hormone secretagogue that binds the ghrelin receptor, GHS-R1a. Both receptors sit on the same pituitary cell, which is the entire reason […]