what's Swiss Chems MK677 Ibutamoren? MK-677, often known as ibutamoren or ibutamoren mesylate, is actually a peptide that belongs to the growth hormone secretagogues group (GHSR). It works by mimicking the action from https://haleemawzda212954.fitnell.com/76128097/what-s-swiss-chems-mk677-ibutamoren