what's 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 group (GHSR). it really works by mimicking the motion in the starvation hormone ghrelin. It binds to at least one of the growth hormone secretagogue receptors (GHSR) inside the br… Read More