what on earth 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 works by mimicking the motion in the hunger hormone ghrelin. It binds to one of The expansion hormone secretagogue receptors (GHSR) inside the brain, encouraging