What is Swiss Chems MK677 Ibutamoren? MK-677, also known as ibutamoren or ibutamoren mesylate, can be a peptide that belongs to the growth hormone secretagogues group (GHSR). it really works by mimicking the action of your starvation hormone ghrelin. It binds to one of the growth hormone secretagogue receptors (GHSR) from the brain, aiding raise ad… Read More