What is Swiss Chems MK677 Ibutamoren? MK-677, also referred to as ibutamoren or ibutamoren mesylate, is actually a peptide that belongs to the growth hormone secretagogues group (GHSR). It works by mimicking the action https://vinnyazfs015125.bloggerchest.com/35223219/what-exactly-is-swiss-chems-mk677-ibutamoren