Exploring a complex realm of performance enhancement , let's Sermorelin, ARA-290, GHRP-2, and MOD GRF – some frequently used hormone stack . Sermorelin acts by the GHRH agonist , whereas ARA-290 serves like a trigger – encouraging human growth hormone production. GHRP-2 also encourages GH via an hunger hormone -like mechanism , and MOD GRF is a