precisely what is Swiss Chems MK677 Ibutamoren? MK-677, also referred to as ibutamoren or ibutamoren mesylate, is actually a peptide that belongs to the growth hormone secretagogues team (GHSR). It works by mimicking the action of the starvation get more info hormone ghrelin. It binds to 1 of The expansion hormone secretagogue receptors (GHSR) with