precisely what is Swiss Chems MK677 Ibutamoren? MK-677, generally known as ibutamoren or ibutamoren mesylate, is really a peptide that belongs to The expansion hormone secretagogues team (GHSR). it really works by mimicking the action in the hunger hormone ghrelin. It binds to 1 of the growth hormone secretagogue receptors (GHSR) more info in the b