What is Swiss Chems MK677 Ibutamoren? MK-677, also known as ibutamoren or ibutamoren mesylate, is usually a peptide that belongs to The expansion hormone secretagogues group (GHSR). It works by mimicking the action of https://haleemamtfa000954.bloginder.com/35975855/what-on-earth-is-swiss-chems-mk677-ibutamoren