what exactly is Swiss Chems MK677 Ibutamoren? MK-677, also referred to as ibutamoren or ibutamoren mesylate, is a peptide that belongs to the growth hormone secretagogues team (GHSR). it really works by mimicking the motion on the hunger hormone ghrelin. It binds to one of the growth hormone secretagogue receptors (GHSR) in the Mind, encouraging bo… Read More