What is Swiss Chems MK677 Ibutamoren? MK-677, also called ibutamoren or ibutamoren mesylate, is often a peptide that belongs to the growth hormone secretagogues group (GHSR). It works by mimicking the motion on the https://bronteybjo124231.mybjjblog.com/what-s-swiss-chems-mk677-ibutamoren-47823996