exactly what is Swiss Chems MK677 Ibutamoren? MK-677, also known as ibutamoren or ibutamoren mesylate, is a peptide that belongs to The expansion hormone secretagogues group (GHSR). It works by mimicking the motion of the starvation hormone ghrelin. It binds to one of the growth hormone secretagogue receptors (GHSR) in the brain, aiding boost expan… Read More