What is Swiss Chems MK677 Ibutamoren? MK-677, often called ibutamoren or ibutamoren mesylate, is often a peptide that belongs to the growth hormone secretagogues group (GHSR). it really works by mimicking the action in https://nettiekcls401534.bloginwi.com/68983381/precisely-what-is-swiss-chems-mk677-ibutamoren